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999 results about "Logic cell" patented technology

System and method for implementing a network-interface-based allreduce operation

An apparatus is provided that includes a network interface to transmit and receive data packets over a network; a memory including one or more buffers; an arithmetic logic unit to perform arithmetic operations for organizing and combining the data packets; and a circuitry to receive, via the network interface, data packets from the network; aggregate, via the arithmetic logic unit, the received data packets in the one or more buffers at a network rate; and transmit, via the network interface, the aggregated data packets to one or more compute nodes in the network, thereby optimizing latency incurred in combining the received data packets and transmitting the aggregated data packets, and hence accelerating a bulk data allreduce operation. One embodiment provides a system and method for performing the allreduce operation. During operation, the system performs the allreduce operation by pacing network operations for enhancing performance of the allreduce operation.
Owner:HEWLETT PACKARD ENTERPRISE DEV LP

File digitalization full life cycle encryption integrity verification method and system

The invention discloses an archive digitization full-life-cycle encryption integrity verification method and system, relates to the field of digital archive safety management, and is used for solving the problem of integrity and safety guarantee in archive digitization management. Logic units are divided through a semantic analysis engine, non-uniform blocks are generated based on sensitivity dynamic partitioning, local hash values are calculated, and a multi-level verification tree is constructed to generate root hash and a hash path mapping table; acquiring visitor identities, terminal environments and timestamps in each stage of an archive life cycle, generating state snapshots in combination with a hash path, and constructing a life cycle state snapshot chain; reconstructing a target logic unit verification path according to the access request, analyzing the structural difference between a current path and a historical snapshot chain through a path reconstruction type difference verification algorithm, and identifying structural offset, node tampering or path loss; and response control is triggered for abnormal verification, including session key updating and permission freezing, so that the security integrity guarantee of the digital archive in the full life cycle is improved.
Owner:FOSHAN POWER SUPPLY BUREAU GUANGDONG POWER GRID

Digital integrated circuit perceptible optimization before-wiring time sequence prediction method, electronic equipment and storage medium

The invention discloses a perceptually optimized wiring time sequence prediction method for a digital integrated circuit, electronic equipment and a storage medium, and the method comprises the steps: constructing a heterogeneous graph according to a circuit netlist, fusing the heterogeneous graph with feature vectors corresponding to all units and interconnection lines, inputting the fused heterogeneous graph into a trained heterogeneous graph neural network, and obtaining graph network embedding; inputting the feature matrix of the layout into the trained convolutional neural network to obtain convolutional network embedding; splicing graph network embedding and convolutional network embedding to obtain multi-modal local embedding; constructing a feature sequence of the path according to a connection relationship between a logic unit and an interconnection line in the path by multi-modal local embedding, and inputting the feature sequence of the path into the trained Transform network to obtain a path delay residual prediction value after wiring; and adding the path delay value after layout and the path delay residual prediction value after wiring, and finally obtaining a path delay prediction value after wiring. According to the method, the path delay after wiring can be accurately and efficiently predicted before wiring.
Owner:SOUTHEAST UNIV +1

Apparatus and method for accelerating computation, and chip

Provided are an apparatus and method for accelerating computation, and a chip. The apparatus for accelerating computation comprises: an instruction decoding module, a bit width selection module, a small bit width processing module, and a large bit width processing module. The instruction decoding module is configured to decode an inputted instruction, determine the bit width of the instruction on the basis of a decoding result, generate a control signal comprising bit width information of the instruction, and send the control signal to the bit width selection module. The bit width selection module is configured to forward the control signal to the small bit width processing module when the bit width of the instruction is a small bit width, and forward the control signal to the large bit width processing module when the bit width of the instruction is a large bit width. The small bit width processing module is configured to process the instruction by using a register file having a small bit width and a corresponding arithmetic logic unit. The large bit width processing module is configured to process the instruction by using a register file having a large bit width and a corresponding arithmetic logic unit.
Owner:SUNLUNE (SINGAPORE) PTE LTD

Method and system for releasing acceleration capability of physical GPU (Graphic Processing Unit) of cloud server

The invention discloses a cloud server physical GPU acceleration capability release method and system, and belongs to the technical field of computer GPU capability release, and the method specifically comprises the steps: collecting GPU operation parameters in real time, carrying out the preprocessing, storing the GPU operation parameters in a shared state database, constructing a lightweight virtualization abstraction layer on a physical GPU, dividing the physical GPU into a plurality of logic units, and storing the logic units in a shared state database; the method comprises the following steps: establishing a physical GPU, constructing an isolation layer, utilizing a three-dimensional resource segmentation strategy, adopting a priority queue, a jump mechanism and a delay tolerance mechanism in a scheduling process, dynamically allocating logic unit resources of the physical GPU, accelerating release of GPU resources, and realizing unification and real-time updating of physical GPU state information among nodes of a cloud server through a distributed state synchronization mechanism; through dynamic task scheduling, a jumping mechanism, a delay tolerance mechanism and distributed state synchronization, efficient GPU resource management is realized, and GPU capability release is accelerated.
Owner:NEWLIXON TECH CO LTD

Data processing method, processor, chip, and electronic device

The present disclosure relates to a data processing method, a processor, a chip, and an electronic device. The method comprises: on the basis of an obtained control instruction, a control logic unit sequentially reads, from a memory to a dot product unit array, loop tiling data of data to be processed; the dot product unit array performs multiply-accumulate operation on the loop tiling data of the data to be processed that is received each time, and determines a loop tiling result of the data to be processed that is received each time; and on the basis of a plurality of loop tiling results obtained from the dot product unit array, the control logic unit determines a logic operation result of the data to be processed. The embodiments of the present disclosure can convert, into the reading and logic operation of multiple pieces of loop tiling data of the data to be processed, the reading and logic operation of the data to be processed, so that data with larger size can be processed under the condition that the hardware resources of the processor are not changed, and the pressure on the storage bandwidth is reduced.
Owner:MOORE THREADS TECH CO LTD

Flexible convolution operation accelerator based on systolic array

The invention provides a flexible convolution operation accelerator based on a systolic array. The flexible convolution operation accelerator is used for solving the technical problem that the hardware scale of an existing convolution operation accelerator is difficult to flexibly adjust according to different hardware platforms. The system comprises an input cache module, a pulsation matrix, an accumulation logic unit and an output cache module which are connected in sequence, the input cache module comprises a weight cache module and an image cache module, and the weight cache module and the image cache module are both connected with the pulsation matrix. The weight cache module, the image cache module, the pulsation matrix, the accumulation logic unit and the output cache module are all connected with the controller, and the controller and the output cache module are both connected with an external memory through a BUS. The systolic array and the flexible cache module are utilized, the functions of data storage and data format conversion can be achieved at the same time, hardware logic overhead is reduced, high memory access efficiency is achieved, and configuration of the accelerator scale and various convolution parameters is supported.
Owner:HENAN XUNGU TECH CO LTD +1

Single instruction stream multi-fiber programming model and construction method thereof

The invention provides a single instruction stream multi-fiber programming model and a construction method thereof. The method comprises the following steps: constructing a task, thread and fiber three-level concurrent unit; different code logic units are configured for each task, and one task is mapped to a plurality of threads; mapping the threads and processor cores one by one, and mapping one thread to a plurality of threads; the threads within the thread are caused to share all registers on the processor core. According to the single-instruction-stream multi-fiber-thread programming model and the construction method thereof, the programming model is constructed based on the fiber threads, concurrent execution of asynchronous data streams is achieved, the resource utilization rate is effectively increased, and redundant calculation is eliminated.
Owner:SHANGHAI JIAOTONG UNIV

Systems and methods for improving results from language machine learning models

Provided herein are systems, methods, and computer-readable media for improving results from machine learning models. An example method may include obtaining a user input query; generating first logits from a first language model by applying the first language model to the user input query; generating second logits from a second language model by applying the second language model to the user input query; combining the first logits and the second logits; determining probabilities associated with tokens from the combined first logits and second logits; and generating an output token based on the determined one or more probabilities.
Owner:SHOPEE IP SINGAPORE PTE LTD

Storage and calculation integrated server optimization method based on NPU

The invention discloses a storage and calculation integrated server optimization method based on an NPU, relates to the technical field of server architecture, and discloses the storage and calculation integrated server optimization method based on the NPU by dynamically adjusting the configuration of an arithmetic logic unit, a multiplication and accumulation calculation unit and a cache module to generate a reconstruction calculation unit. By combining heterogeneous hardware performance evaluation and a task migration mechanism, dynamic optimal configuration and load balancing of computing resources are realized, the task execution efficiency can be improved, and the heterogeneous hardware collaborative energy efficiency ratio can be optimized.
Owner:四川华鲲振宇智能科技有限责任公司

Quantization precision adaptive switching hardware acceleration architecture

The invention relates to the technical field of integrated circuit design and artificial intelligence hardware acceleration, and particularly discloses a quantization precision adaptive switching hardware acceleration architecture. Hardware is divided into a static area and a dynamic area, wherein the static area comprises a pre-processing module, a post-processing module, a control module and a reconfigurable logic loading control block which run all the time; the dynamic region bears a quantization and inverse quantization module composed of a plurality of reconfigurable logic units. The method is characterized in that a model precision instruction is analyzed through a control module, and a reconfigurable logic file with corresponding precision is dynamically loaded to a dynamic area from external starting equipment by a loading control block according to an internal address mapping table, so that seamless switching of different quantization precision is realized on the hardware level, and the whole chip does not need to be burnt again. According to the design, through a modularized and reconfigurable hardware structure, the limitation of fixed-precision hardware in coping with diversified AI models is effectively solved, and the deployment flexibility and energy efficiency are remarkably improved.
Owner:STORAGEX TECH INC

Digital twinning-based air conditioner pipeline intelligent manufacturing and fault detection method

The invention discloses an air conditioner pipeline intelligent manufacturing and fault detection method based on digital twinning, relates to the technical field of data center infrastructure and fault detection, and aims to solve the problems of low construction efficiency, serious error accumulation, operation and maintenance logic faults and the like in a traditional process. The system is split into five functional modules through modular assembly design, a prefabricated straight pipe section and a combined section are combined with an equipment decoupling adjusting section to eliminate errors, and a standardized machining drawing is output; the quality is ensured through laser cutting, precise welding and galvanization processes, and high-precision field installation is achieved by combining paper number dual-mode guidance; a valve unique coding system is constructed based on BIM mapping, a two-dimensional code is generated to realize three-dimensional model calling and emergency guidance, a digital twin platform dynamically associates equipment control logic and a spatial position through a logic unit group, pushes hierarchical positioning guidance and links AR technology guidance operation when a fault occurs, and realizes full life cycle data tracing based on a block chain.
Owner:HUAXIN CONSULTATING CO LTD

Three-dimensional stacked memory controller supporting transverse expansion

The invention relates to the technical field of integrated circuit design, in particular to a three-dimensional stacked memory controller supporting lateral expansion, which comprises a memory control logic unit connected with an interface expansion unit and a mode configuration unit, the interface expansion unit and the mode configuration unit are connected with a near memory calculation unit, the near memory calculation unit is connected with the memory control logic unit, and the memory control logic unit is connected with the interface expansion unit. And the on-chip cache unit is connected with the memory control logic unit. The on-chip cache unit is used for storing high-frequency access data; the memory control logic unit is used for forming a hierarchical memory architecture; the interface expansion unit is used for transversely accessing the low-speed memory; the mode configuration unit enables on-chip high-speed cache, three-dimensional stacked memory and low-speed memory access to be independently Bypass; the near memory calculation unit is used for providing transposition, stepping, compression and direct memory calculation functions. Therefore, the problems that in the prior art, a three-dimensional stacked memory and a low-speed memory cannot be efficiently organized and matched, development is complex, and a hierarchical framework is missing are solved.
Owner:WUXI CORE FIELD MICROELECTRONICS CO LTD

Method for repairing crosstalk noise violation on data path

The invention is applicable to the technical field of integrated circuit design, and provides a method for repairing crosstalk noise violation on a data path, which comprises the following steps of: reading a crosstalk noise violation report of a static time sequence analysis STA tool; finding an interconnection line corresponding to each violation in the report from a layout wiring tool, and finding adjacent interconnection line position information and connected logic unit information of the current interconnection line; selecting a corresponding repairing scheme according to the specific conditions of the interconnection lines and the connected logic units, and executing and adjusting the repairing scheme so as to repair crosstalk noise on a data path; and after a round of repair is completed, if crosstalk noise violation is also detected in the STA tool, the steps need to be executed again until all crosstalk noise problems are solved. According to the method provided by the invention, the crosstalk problem is efficiently identified and solved through an automatic process, the signal integrity and the function correctness of circuit design are ensured, and compared with a traditional scheme, the method is more targeted, and the gain brought by single change is favorably improved.
Owner:WUHAN LINGJIU MICROELECTRONICS CO LTD

Zero diffusion break for improving transistor density

Isolation breaks between logic cells in integrated circuit (IC) devices. A source-drain trench between adjacent channel regions includes a pair of source or drain semiconductor bodies, a first of the source or drain bodies in the source-drain trench is connected to a first of the channel regions, a second of the source or drain bodies in the source-drain trench is connected to a second of the channel regions, and a dielectric isolation is in the source-drain trench and between the pair of source or drain bodies. The dielectric isolation may include a void between layers or sidewalls of dielectric. The pair of source or drain bodies may include highly conductive, metallized layers in contact with the dielectric isolation.
Owner:INTEL CORP

Low-orbit satellite-borne digital logic anomaly inspection method and navigation baseband chip

The invention discloses a low-orbit satellite-borne digital logic anomaly inspection method and a navigation baseband chip. Comprising the following steps: setting a corresponding verification data set and a configuration item for each digital logic unit; setting timing duration to inspect each digital logic unit in the chip at fixed time; judging whether the current polled digital logic unit is idle or not, if so, continuing to execute the subsequent steps, otherwise, switching to the next digital logic unit to continue polling; obtaining a verification data set and a configuration item corresponding to the current digital logic unit; configuring according to the configuration item, and sending standard data into a digital logic unit for starting to obtain feature data; judging whether the feature data is consistent with expected data or not, and if yes, judging that the digital logic unit works normally; if not, judging that the digital logic unit is abnormal; and repairing and reconfiguring the digital logic unit which is judged to be abnormal. According to the scheme of the invention, independent detection and anomaly repair of each digital logic unit can be realized, and the method is more targeted.
Owner:CHANGSHA HAIGE BEIDOU INFORMATION TECH CO LTD

Low latency logical unit for a memory system

Methods, systems, and devices for low latency logical (L3A) unit for a memory system are described. For example, a logical unit, such as an L3Alogical unit or L3A logical unit number (LUN), may include a storage area for storing information for system swap operations, including, for example, a logical-block-address (LBA) range for one or more single-level-cells (SLCs). The logical unit may include a logical-to-physical (L2P) mapping table stored in a local memory of a memory system controller, such as in static random access memory (SRAM). In some examples, a reserved storage area may be overprovisioned, and the logical unit may be associated with a higher priority and a larger granularity than one or more other logical units. Further, one or more read-only (RO) descriptors stored to one or more registers, one or more provisioning parameters, or both, may be defined for the logical unit.
Owner:MICRON TECHNOLOGY INC

Test aid units

Disclosed is a test aid unit that is installed between automatic test equipment (ATE) and a device under test (DUT), generates a test data signal according to a data processing and transmission / reception rate of the DUT in response to a control signal transmitted from the ATE, transmits the test data signal to the DUT, self-tests a test result signal transmitted from the DUT, and transmits the test result to the ATE. The test aid unit includes a clock signal divider, an integrated digital logic unit, a transmitter, and a receiver.
Owner:SK HYNIX INC +1

Approximate floating point multiplier, chip and computing device

PendingCN120104094ADigital data processing detailsBinary multiplierAnd logic unit
The invention discloses an approximate floating point multiplier, a chip and computing equipment, an approximate mantissa multiplier of the approximate floating point multiplier comprises an AND logic unit and a compressor unit, and the AND logic unit is used for performing AND operation on two input operands bit by bit to generate a partial product array with the size of 11 rows and 21 columns; the compressor unit is used for compressing the 11th column to the 21st column by column to obtain a final approximate mantissa, the compressor unit comprises two novel approximate 4-2 compressors ignoring carry design, and the error rate of the approximate 4-2 compressors is within an acceptable range by utilizing mutual compensation inside the compressors. The invention aims to excavate and use the characteristics of floating point multiplication to further improve the energy efficiency of floating point multiplication, realize the optimization of the approximate floating point multiplier in the overhead aspects of precision, power consumption, area and the like, and solve the problems of relatively complex circuit and low compression efficiency of the traditional approximate 4-2 compressor.
Owner:NAT UNIV OF DEFENSE TECH

Logic separation type multi-servo-motor electric control system

The invention provides a logic separation type multi-servo-motor electric control system. According to the logic separation type multi-servo-motor electric control system, collaborative operation of high-precision control and data transmission is achieved through three independent loops. The system comprises a PC end computer, a control unit, an industrial bus, a servo driving unit, a logic unit and a controlled object. Wherein the first loop is formed by a PC end computer through a control unit, an industrial bus and a servo driving unit, and is responsible for transmitting a real-time control signal and position updating data; the second loop is returned to the PC end computer by the servo driving unit through the logic unit and is used for feeding back execution state data of the servo driver; and in the third loop, the controlled object is transmitted to the PC end computer through the logic unit, and real-time position signals and mechanical state data of the controlled object are transmitted. Through the logic layering and loop separation design, the control real-time performance, the data transmission reliability and the system expansibility of the system are remarkably improved, meanwhile, the signal interference during multi-task processing is reduced, and the system is suitable for a high-precision industrial automation scene.
Owner:GUANGZHOU HORIZON PRINTING CO LTD

Long text news event element extraction method and system based on multi-agent collaboration

The invention relates to the technical field of information extraction, and discloses a long text news event element extraction method and system based on multi-agent collaboration, and the method comprises the following steps: constructing a large language model multi-agent system architecture; the central coordination agent receives the unstructured news text; the text segmentation agent outputs a logic unit and time description thereof; an event extraction agent extracts an event subject, an action and an object, and complements time and entity role information; the scene matching agent judges the fine-grained news scene category to which the scene matching agent belongs; the information extraction agent generates a structured event record; and the central coordination agent performs quality auditing and exception handling on each step of output to ensure the integrity and consistency of the output data. According to the method, the static relationship between the event main bodies can be constructed according to the structured event information through the relationship construction and context sorting agent, the event situation change is summarized based on the timeline, and the feasibility and the visualization of news event analysis of the system are improved.
Owner:CENT SOUTH UNIV

Architectures and methods for high performance (HP) standard cell circuits

A high performance (HP) standard cell architecture for logic cells used in a semiconductor device or product. An example semiconductor device includes a plurality of cells surrounded by a cell boundary, and a backside power delivery network (PDN) routed to the plurality of cells. At least one cell of the plurality of cells has an arrangement of transistors within the cell boundary, the arrangement of transistors coupled together to generate an output signal at an output signal node. There is a metal 0 layer above the arrangement of transistors, the metal 0 layer includes one or more input signal traces and an output signal trace. The output signal trace and the input signal traces are substantially parallel inside the cell boundary and have a first width near the cell boundary; the output signal trace has a region of a wider metal 0 inside the cell boundary.
Owner:INTEL CORP

Data writing performance improvement method of storage device and storage device

The invention provides a data writing performance improvement method for a storage device and the storage device, is applied to the storage device, and relates to the technical field of storage. The method comprises the following steps: receiving to-be-written data, and determining a logic unit address and a target address mapping table of the to-be-written data; if neither the meter reading completion chain table nor the meter reading request chain table contains the target address mapping table, adding a meter reading request node in the meter reading request chain table; after reading of the target address mapping table is completed, the target address mapping table is updated; the method comprises the following steps: establishing a meter reading completion chain table and a meter reading request chain table, adding a node for reading a target address mapping table corresponding to data to be written into the meter reading request chain table, after reading is completed, moving the node into the meter reading completion chain table, and hiding time delay in a meter reading process in a time interval when a storage device receives data from a host, and the time delay of reading and writing the address mapping table in the random writing process is reduced, so that the random writing performance is improved.
Owner:HANGZHOU CORE POWER SEMICON CO LTD

Mixed-base FFT hardware accelerator based on systolic array

The mixed-base FFT hardware accelerator comprises an input logic unit, an operation logic unit, a data conversion unit and an output logic unit which are arranged on an FPGA and connected in sequence, an operation unit is arranged in the operation logic unit, the operation unit is connected with the data conversion unit, the systolic array is arranged in the operation unit, and the systolic array is connected with the data conversion unit. The pulse sequence adopts mixed base to accelerate calculation of FFT (Fast Fourier Transform); the data conversion unit comprises a data truncation module and a data splicing unit which are connected in sequence, the operation unit is connected with the data truncation module, and the data splicing unit is connected with the output logic unit; the input logic unit, the operation unit, the data truncation module, the data splicing unit and the output logic unit are all connected with the controller, and the input logic unit, the data splicing unit, the data splicing unit and the output logic unit are all connected with the DDR memory through a data bus. The method can adapt to requirements of different performances, and fast calculates FFT of different points.
Owner:ZHENGZHOU UNIV +1

Arithmetic logic unit parallel processing system and method and electronic equipment

The invention provides an arithmetic logic unit parallel processing system and method and electronic equipment, and relates to the field of chip architecture processing, and the arithmetic logic unit parallel processing system comprises an instruction transmitting unit, a write-back unit and a plurality of ALU groups containing a plurality of arithmetic logic units; wherein the instruction transmitting unit is respectively connected with the input end of each ALU group; the output end of each ALU group is connected with the write-back unit; the input end of each ALU group is respectively connected with the input ends of all the arithmetic logic units in the current ALU group; the output end of each ALU group is respectively connected with the output ends of all the arithmetic logic units in the current ALU group; according to the scheme, the reduction instruction and the vector arithmetic logic operation can be realized by using the same arithmetic logic operation component, the number and the area of the vector arithmetic logic operation component are reduced, and the utilization rate of the vector arithmetic logic operation component is improved.
Owner:BEIJING YIHUA CLOUD NETWORK TECH CO LTD

Level shifter and display device including the same

Embodiments disclose a level shifter including a logic unit configured to receive timing data and channel data and output an edge signal and a channel signal at a time point defined in the timing data, and a channel selection unit configured to select at least one channel from among a plurality of connected channels according to the channel signal and transmit the edge signal, and a display device including the same.
Owner:LG DISPLAY CO LTD

Memory device and manufacturing thereof

Embodiments of the present disclosure relates to an integrated circuit including an array of memory cells connected to word lines and bit lines located on opposite sides of the memory cells. The memory cell may include gate all around transistors. A memory circuit according to the present disclosure also includes edge cells having word line tap structures configured to connect front side word lines with back side word lines. Some embodiments of the present disclosure provide an IC chip having memory cells with power rail on the front side and logic cells with power rail on the back side.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Monotonic hybrid capacitor digital-to-analog converter

A monotonic capacitor digital-to-analog converter (CDAC) is provided. The CDAC includes a converter array comprising a plurality of CDAC units, wherein each CDAC unit comprises a logic unit, a switch, and a capacitor, and wherein each logic unit comprises a first input, a second input, and a third input. The CDAC further includes a first set of control lines, and each of the first set of control lines is connected to the first inputs of the logic units of the CDAC units in a corresponding column of the converter array. The CDAC further includes a second set of control lines, and each of the second set of control lines is connected to the second inputs of the logic units of the CDAC units in a corresponding row of the converter array, but is disconnected from the second input of the logic unit of a CDAC unit in the corresponding row and the last column of the converter array. Each of the second set of control lines is further connected to the third inputs of the logic units of the CDAC units in a row of the converter array adjacent to the corresponding row.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Time capsule interaction method and system

The invention relates to the field of time capsule interaction, and discloses a time capsule interaction method and system, and the method comprises the steps: carrying out the logic unit segmentation of a to-be-sealed content, and building an encryption baseline which continuously evolves along with a time factor; under the support of an encryption baseline, performing fragmentation processing on the evolved and encrypted content, and triggering copy reconstruction through a witness mechanism when a node failure is detected; on the basis of a content storage link, continuously executing periodic health check in a storage period, and generating a state index in combination with a node online rate, key evolution integrity and user interaction history; when the key has an unrecoverable risk in the state index, triggering a multi-role collaborative recovery mechanism, and requiring a user side to submit a standby identity certificate; and after missing key reconstruction is completed, when preset opening time arrives, decryption operation is executed based on the key set which is finally evolved and completed and the recovered fragments, and an opening response with an interaction attribute is generated. The method has the advantage of improving the trust of the user.
Owner:BEIJING ASIA SATELLITE COMM TECH CO LTD

Low-power-consumption small-area on-chip temperature sensor based on MOS tube and method

The invention discloses a low-power-consumption small-area on-chip temperature sensor based on an MOS tube and a method thereof. Comprising a temperature sensing circuit and an analog-to-digital conversion circuit which are connected with each other, the temperature sensing circuit is used for generating a voltage signal related to the temperature and outputting the voltage signal to the analog-to-digital conversion circuit to achieve digital quantization of the temperature, and the output end of a CTAT branch is connected to the input end of a switched capacitor amplifier through a buffer. The output end of the switched capacitor amplifier is connected to the non-inverting input end of the comparator, the output end of the PTAT branch is connected to the inverting input end of the comparator, the output end of the comparator is connected with the input end of the successive approximation logic unit, and the output end of the successive approximation logic unit is connected to the switched capacitor amplifier. According to the temperature sensing circuit structure, the problem of power supply sensitivity existing when voltage is generated is effectively solved, reference signals do not need to be additionally generated in the quantization process, and the problem of error accumulation is avoided.
Owner:ZHEJIANG UNIV