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342 results about "Bit cell" patented technology

A bit cell is the length of tape, the area of disc surface, or the part of an integrated circuit in which a single bit is recorded. The smaller the bit cells are, the better the storage density of the medium is.

Semiconductor device

An example embodiment of the present invention provides a semiconductor device including: an encoder configured to receive a plurality of bit data by dividing the plurality of bit data into first group data and second group data, the plurality of bit data being divided into 2-bit units, to delay the second group data for a first period, and to output the first group data and the delayed second group data; and an output driver configured to output the first group data and the delayed second group data together to an external semiconductor device.
Owner:SAMSUNG ELECTRONICS CO LTD +1

Footprint for multi-bit flip flop

An integrated circuit includes first bit cells, second bit cells, and clock cells. Each of first bit cells is arranged in one of multiple first cell rows having a first row height. Each of the second bit cells is arranged in one of multiple second cells rows having a second row height different from the first row height. The second bit cells extend to pass the first bit cells in a first direction. The clock cells are arranged in peripheral regions of a multi-bit flip flop cell in the first cell rows. The first and second bit cells and the clock cells are included in the multi-bit flip flop cell.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Memory Bit Cell for In-Memory Computation

A compute-memory circuit included in a computer system may include multiple compute data storage cells coupled to a compute bit line via respective capacitors. The compute data storage cells may store respective bits of a weight value. During a multiply operation, an operand may be used to generate a voltage level on a compute word line that is used to store respective amounts of charge on the capacitors, which are coupled to the compute bit line. The voltage on the compute bit line may be converted into multiple bits whose value is indicative of a product of the operand and the weight value.
Owner:APPLE INC

Memory with reduced leakage through analog head switch control

A memory is provided that includes an analog gate voltage driver that drives the gate of a head switch transistor for a bitcell array with an analog gate voltage while the bitcell array operates in a light-sleep mode. The analog gate voltage switches the head switch transistor partially on so that the head switch transistor passes a reduced power supply voltage despite being powered by a memory power supply voltage that is greater than the reduced power supply voltage. The reduced power supply voltage has a sufficient magnitude so that the bitcell array retains its stored binary contents during the light-sleep mode.
Owner:QUALCOMM INC

Pixel driving circuit and display panel

The invention relates to a pixel driving circuit and a display panel, and relates to the technical field of display driving. The pixel driving circuit comprises a driving transistor, a write-in unit, a storage capacitor, a connecting unit, a reset unit and a light-emitting control unit. A first electrode of the driving transistor is connected with the connecting unit and the light-emitting control unit at a first node, a second electrode is connected with the writing unit and the light-emitting control unit at a second node, and a control electrode is connected with the connecting unit and the storage capacitor at a third node; the reset unit is connected with the storage capacitor and the anode of the light-emitting device; wherein the write-in unit is connected with the first driving unit; the connection unit and the reset unit are respectively connected with the second driving units of different levels; and the light-emitting control unit is connected with the third driving units of different levels. By resetting the second driving units of different levels and the third driving units of different levels, the total number of the required gate driving circuits is reduced, and the narrow frame design of the display panel can be realized.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO LTD

Parallel-serial conversion circuit

The invention relates to the technical field of integrated circuits, and discloses a parallel-serial conversion circuit. The parallel-serial conversion circuit comprises a parallel data storage unit, an odd-even data exchange unit, a shifting unit and a selection output unit, the parallel data storage unit is connected with a parallel data input end and a parallel clock signal end, and the odd-even data exchange unit is connected between the parallel data storage unit and the shifting unit. The data output module is used for directly outputting parallel data or performing odd-even data bit exchange on the parallel data according to a first selection control signal and then outputting the parallel data; the shifting unit is connected with the odd-even data exchange unit, the selection output unit and a serial clock signal end; and the selection output unit is connected with the shift unit, the serial clock signal input end and the serial data output end, and is used for sequentially and serially outputting each bit of data in the shift data along with the high and low levels of the serial clock signal. According to the technical scheme, the specific parallel-serial conversion mode can be dynamically configured, and the use flexibility of the I / O interface of the FPGA is improved.
Owner:CHENGDU WEIDE QINGYUN ELECTRONICS CO LTD

Non-volatile memory with stacked transistor pairs

A bit cell (100) is disclosed that includes a non-volatile memory element (110) and a transistor arrangement (120) configured to provide a write signal that switches a state of the memory element. A first terminal (111) of the memory element is connected to a bit line (BL), a second terminal (112) of the memory element is connected to a first common source / drain terminal (121) of the transistor arrangement, and a second common source / drain terminal (122) of the transistor arrangement is connected to a source line (SL). The transistor device includes a pair of stacked complementary transistors, where a gate (213) of an upper transistor is connected to a first word line (WLN), and where a gate (233) of a lower transistor is connected to a second word line (WLP). A memory device including an array of such bit cells, and a method for controlling bit cells are also disclosed.
Owner:INTERUNIVERSITAIR MICRO ELECTRONICS CENT (IMEC VZW)

Integrated circuit including backside wiring and method of designing the same

An integrated circuit includes a substrate; a bit cell array including bit cells on the substrate; a frontside wiring layer above the substrate in a vertical direction with respect to a front side of the substrate, the frontside wiring layer including local word lines connected to the bit cells; a row decoder configured to provide word line signals for driving the bit cell array; a backside wiring layer on a backside of the substrate, the backside wiring layer including backside wiring lines configured to receive the word line signals from the row decoder; and a word line rebuffer configured to provide the word line signals received from the backside wiring lines to the local word lines.
Owner:SAMSUNG ELECTRONICS CO LTD

Display device and driving method thereof

The embodiment of the invention provides a display device and a driving method thereof. The display device comprises N rows of pixel units and N levels of gate driving units, wherein the ith level of gate driving unit is electrically connected with a gate line of the ith row of pixel units. The ith-level gate driving unit comprises a pull-up unit and a reset unit, the pull-up unit is electrically connected with a first node, a gate driving signal output end and a level transmission signal output end, the reset unit comprises a first reset subunit and a second reset subunit, the first reset subunit is electrically connected with a first reset control signal line, and the second reset subunit is electrically connected with a second reset control signal line. The second reset subunit is electrically connected with a second reset control signal line. The first reset subunit and the second reset subunit are electrically connected with the first node, the gate drive signal output end and the level transmission signal output end. According to the display device provided by the embodiment of the invention, the charge emptying capability of the gate driving unit on the key node is enhanced, the working time of the thin film transistor is shortened, and the reliability of the gate driving unit is improved.
Owner:TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD

Sensitive amplifier and memory chip

The application discloses a sensitive amplifier and a storage chip. The sensitive amplifier comprises a first clamping unit, a second clamping unit, a first current unit and a feedback unit. The control end of the first clamping unit is coupled with a total bit line through the feedback unit, so that the potential change of the total bit line forms a closed-loop control. That is, when the potential of the total bit line rises, the current flowing through the first current unit and the feedback unit is reduced, and the current flowing through the second clamping unit is increased. The potential of the control end of the first clamping unit is reduced, the current flowing through the first clamping unit is also reduced, and the potential of the total bit line is reduced to a preset potential and is kept stable. Conversely, the potential of the total bit line is increased to a preset potential and is kept stable.
Owner:WUHAN XINXIN SEMICON MFG CO LTD

Memory array and reference current circuit

A circuit includes a memory array including memory bit cells arranged in rows and columns. A row includes differential reference bit cells and single-ended bit cells, and the reference bit cells include a first set configured to store a first binary value and a second set configured to store a second binary value different from the first binary value. The circuit also includes a control module configured to generate a first reference current and to select the given row for a read operation. The circuit additionally includes an input / output module configured to compare a sensed current of a respective single-ended bit cell of the single-ended bit cells for the read operation to a second reference current. The second reference current is based on the first reference current and respective currents of the first set of reference bit cells and the second set of reference bit cells.
Owner:TEXAS INSTRUMENTS INC

System and method for super-resolution digital-to-analog converter based on redundant sensing

The invention provides a digital-to-analog converter device. A digital-to-analog converter apparatus includes: a set of components, each component included in the set of components including a plurality of unit cells, each unit cell being associated with a unit cell size representing a manufacturing specification of the unit cell; a plurality of switches, each switch included in the plurality of switches being coupled to a component included in the set of components; and an output electrode coupled to the plurality of switches, the converter device configured to output an output signal on the output electrode. A first unit cell size associated with a first unit cell included in the set of components is different from a second unit cell size associated with a second unit cell included in the set of components.
Owner:REGENTS OF THE UNIVERSITY OF MINNESOTA

Semiconductor structure

The present disclosure provides a semiconductor structure comprising a substrate having a front side and a back side; an SRAM circuit having SRAM bit cells formed on a front side of the substrate, where each SRAM bit cell includes two inverters cross-coupled together, two write pass gates coupled to the two inverters, a read pull-down device coupled to the two inverters, and a read pass gate coupled to the read pull-down device, and wherein each SRAM bit cell is connected to the WBL, the WBLB, the RBL, the Vdd, and the Vss; a first subset of WBL, WBLB, RBL, Vdd, and Vss is connected from the front side of the substrate to a first of the SRAM bit cells; a second subset of WBL, WBLB, RBL, Vdd, and Vss is connected from the backside of the substrate to the first SRAM bit cell.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Resistive random access memory device

A method includes causing a first information bit to be written into a first bit cell in a first plurality of bit cells as an original logic state of the first information bit. The method also includes causing a second information bit to be written into a second bit cell in a second plurality of bit cells as an original logic state of the second information bit. The method also includes causing a third information bit to be written into a third bit cell in a third plurality of bit cells as a logically complementary state of the first information bit.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Process and temperature compensated word line underdrive scheme for SRAM

An SRAM architecture is disclosed that provides a process- and temperature-compensated word-line underdrive scheme enabling stable, low-voltage operation. Each row decoder generates an initial word-line signal, derives an inverse word-line signal, and drives the corresponding word line through driver circuitry including a word-line underdrive p-channel transistor. The transistor's gate is controlled by the inverse word-line signal and optionally receives a dynamically generated negative bias to reduce device size while maintaining performance. Control circuitry includes a word-line underdrive sink circuit having dummy memory cells that replicate bit-cell behavior to generate a compensated driver output signal tracking process and temperature variations. A negative bump generator produces a transient below-ground potential at the gate node to enhance underdrive efficiency. This improves bit-cell stability, dynamic noise-margin yield, and performance uniformity across process corners and temperature, while minimizing silicon area.
Owner:STMICROELECTRONICS INT NV

Semiconductor device and manufacturing method thereof

A semiconductor device and a manufacturing method thereof are provided. The semiconductor device includes a logic block and a p-bit block. The logic block includes a plurality of plurality of logic elements. The p-bit block includes a transistor, a first bit cell with a magnetic structure and at least one second bit cell with a resistance structure. The first bit cell with the magnetic structure is connected to one end of the transistor. The at least one second bit cell with the resistance structure is connected to another end of the transistor.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

High-density low voltage nvm with unidirectional plate-line and bit-line and pillar capacitor

To provide a low-power, high-density, 1T-1C (one transistor and one capacitor) memory bit-cell.SOLUTION: The capacitor has a pillar structure, which comprises ferroelectric material (perovskite, improper ferroelectric, or hexagonal ferroelectric) and conductive oxides as electrodes. In various embodiments, one layer of the conductive oxide electrode wraps around the pillar capacitor, and forms the outer electrode of the pillar capacitor. The core of the pillar capacitor can take various forms.SELECTED DRAWING: Figure 1C
Owner:KEPLER COMPUTING INC

Method, system and medium for voltage clamping unit in chip circuit

The invention discloses a method, system and medium for a voltage clamping unit in a chip circuit, and belongs to the technical field of chip circuit protection, and the method comprises the steps: obtaining a maximum allowable voltage deviation window and a maximum allowable voltage rise rate of a target input / output pin of a chip, and constructing a target clamping characteristic parameter set; selecting a clamp sub-model based on the parameter set; adjusting capacitance matching unit parameters according to the equivalent input capacitance of the target pin by combining a support vector regression algorithm with a genetic algorithm; connecting a clamping model and injecting a test voltage waveform, and extracting clamping response time and clamping voltage to construct feedback characteristics; a mathematical model between the clamping response time and the delay gate series is generated through a symbol regression algorithm, and a control delay unit structure is corrected; according to the method, closed-loop adaptive adjustment of clamping parameters is realized, the transient interference suppression capability and clamping precision of the chip under high-frequency and low-voltage conditions are improved, and the method has good reliability and expandability.
Owner:YUANXIN SEMICON (SHANGHAI) CO LTD

Storage devices

The present application relates to a memory device. A memory device includes a wordline driver. The wordline driver is coupled to an array of bit cells via wordlines. The wordline driver includes a first driver circuit, a second driver circuit, and a modulation circuit. The first and second driver circuits are configured to select a wordline. The modulation circuit is coupled to the first and second driver circuits via the selected wordline and is configured to modulate at least one signal transmitted via the selected wordline. The first and second driver circuits are further configured to charge the selected wordline to generate a first voltage signal and a second voltage signal at two locations on the selected wordline. The first and second voltage signals are substantially identical. A method is also disclosed herein.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD +2

Gray-scale voltage correction method based on gamma curve

The invention discloses a gray scale voltage correction method based on a gamma curve, which is applied to a pixel driving circuit without a reset unit, and comprises the following steps: determining gray scale brightness corresponding to a target binding point gray scale of the pixel driving circuit; detecting the light emitting brightness of the pixel driving circuit, and recording a target write-in data voltage; constructing a gray scale voltage formula of the pixel based on the plurality of target write-in data voltages; and obtaining a plurality of gray-scale voltage values based on the gray-scale voltage formula and generating a corrected gray-scale voltage curve.
Owner:CHENGDU JIUTIAN HUAXIN TECH CO LTD

Method of manufacturing an information processing device and mobile computer

A method of manufacturing an information processing device and a mobile computer are disclosed, the method of manufacturing including storing an installation program in a first storage area of a solid state drive (SSD) of the information processing device, the installation program, when executed, causing the information processing device to install pre-load data, executing the installation program to at least partially install the pre-load data in a second storage area of the SSD, and after executing the installation program, moving a portion of the pre-load data stored in the second storage area to the first storage area of the SSD. The first storage area is configured to store single-bit cells in which one bit of data is stored in one memory cell, and the second storage area is configured to store multi-bit cells in which multiple bits of data are stored in one memory cell.
Owner:LENOVO (SINGAPORE) PTE LTD

Pixel driving circuit and method for PAM and PWM hybrid modulation

The invention discloses a PAM and PWM hybrid modulation pixel driving circuit and method, the circuit comprises a PAM module, a PWM module and a micro light emitting diode, the PAM module comprises a driving unit A, a compensation unit B, a compensation unit C, a data write-in unit D, a control unit E and a reset unit F, and the PWM module comprises a driving unit a, a compensation unit b, a compensation unit c, a data write-in unit d and a control unit e. According to the invention, PAM and PWM hybrid modulation of the pixel circuit is realized, threshold voltage compensation and power line voltage drop compensation are carried out on the circuit modulation module at the same time, the anti-interference capability of the circuit is improved, the brightness uniformity of a display screen is improved, and the display effect is enhanced.
Owner:NANJING UNIV

Power conversion device

A multilevel converter (1) comprises a plurality of bit cells (31-35) that output DC voltages different from one another. Each of the bit cells (31-35) includes switching elements (Q1-Q4) configured to charge or discharge a power storage element (C) by performing a switching operation in response to a control command from a control device (7). The control device (7) repeatedly outputs a plurality of switching patterns in which control commands for the bit cells (31-35) are arranged in time series. The switching patterns are temporally symmetrical for each cycle, and are determined such that the length of a charging period and the length of a discharging period for the power storage element (C) are equal.
Owner:MITSUBISHI ELECTRIC CORP

parallel-to-serial conversion circuit

The application relates to the field of integrated circuit technology and discloses a parallel-serial conversion circuit. The parallel-serial conversion circuit comprises a parallel data storage unit, a parity data exchange unit, a shift unit and a selection output unit. The parallel data storage unit is connected with a parallel data input end and a parallel clock signal end. The parity data exchange unit is connected between the parallel data storage unit and the shift unit and is used for directly outputting parallel data or outputting the parallel data after parity data bit exchange according to a first selection control signal. The shift unit is connected with the parity data exchange unit, the selection output unit and a serial clock signal end. The selection output unit is connected with the shift unit, a serial clock signal input end and a serial data output end and is used for sequentially and serially outputting each bit data in the shift data according to the high and low levels of the serial clock signal. The technical scheme can dynamically configure a specific parallel-serial conversion mode and improves the flexibility of I / O interface use of the FPGA.
Owner:CHENGDU WEIDE QINGYUN ELECTRONICS CO LTD

Semiconductor structure and manufacturing method thereof

A method includes forming a front-side pass-gate transistor over a front-side of a substrate, wherein the front-side pass-gate transistor is comprised in a memory bit-cell, and is of a first conductivity type; forming a back-side pull-down transistor over a back-side of the substrate, wherein the back-side pull-down transistor is comprised in the memory bit-cell, and is of a second conductivity type opposite to the first conductivity type, and the back-side pull-down transistor is an oxide semiconductor transistor.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD +1

Circuit for multiport register file

Various implementations described herein are related to a read multiplexer circuit for a multiport register file, comprising: an input stage coupled to an array of storage nodes, each storage node coupled to drive an output of a respective bitcell; a read stage comprising control logic dividing the array of storage nodes into one or more sets and first circuitry that provides a first read word line to a first storage node of a first set for reading data from the first storage node and a second read word line to a second storage node of the first set for reading data from the second storage node; and a first latch stage comprising second circuitry that provides a third read word line to the first and second storage node of the first set to latch the read from one of the first and second storage nodes.
Owner:ARM LTD

Low-latency multiplexed pipeline memory

A memory such as for a high-speed microprocessor cache includes a first bank of bitcells and a second bank of bitcells. The banks are read from in a pipelined fashion with respect to cycles of a system clock signal such that a first read operation to the first bank is initiated with respect to a first cycle of the system clock signal whereas a second read operation to the second bank is initiated with respect to a second cycle of the system clock that is consecutive to the first clock cycle. A multiplexer selects between latched bits from the read operations responsive to cycles of the system clock signal.
Owner:QUALCOMM INC

Memory with reduced leakage through analog head switch control

PCT designated stageWO2025230649A1Digital storageControl theoryGate voltage
A memory is provided that includes an analog gate voltage driver that drives the gate of a head switch transistor for a bitcell array with an analog gate voltage while the bitcell array operates in a light-sleep mode. The analog gate voltage switches the head switch transistor partially on so that the head switch transistor passes a reduced power supply voltage despite being powered by a memory power supply voltage that is greater than the reduced power supply voltage. The reduced power supply voltage has a sufficient magnitude so that the bitcell array retains its stored binary contents during the light-sleep mode.
Owner:QUALCOMM INC