Current type level jump monitoring unit

A monitoring unit and current-based technology, applied in the field of current-based level transition monitoring units, can solve the problems of wasting performance and power consumption, weakening the improvement of energy efficiency of near-threshold designs, and achieving short response time, high power consumption benefits, Effect of Multi-Voltage Frequency Adjustment Time

Active Publication Date: 2020-12-18
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This results in a great waste of performance and power consumption, which greatly weakens the energy efficiency improvement brought by the near-threshold design.

Method used

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  • Current type level jump monitoring unit
  • Current type level jump monitoring unit
  • Current type level jump monitoring unit

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Experimental program
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Embodiment Construction

[0024] For the application mode of the monitoring circuit of the present invention in the main circuit, see figure 1 As shown, it belongs to the direct monitoring method, and the flip-flop at the end of the critical path is replaced by a timing monitoring unit and a latch. The timing monitoring unit is realized by the jump monitoring unit of the present invention.

[0025] The content of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0026] The main structure of this embodiment is as figure 2 shown. The jump monitoring unit described in the present invention is composed of 3 NMOS transistors M5, M6, M9, 6 PMOS transistors M1, M2, M3, M4, M7, M8, 1 inverter U1 and 1 buffer U2 , consisting of a total of 15 transistors. The transistors M1, M2, and M3 form a charging path unit 1, and the transistors M4, M5, M6, M7, and M8 form a charging path unit 2, respectively completing the charging of the n...

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Abstract

The invention discloses a current type level jump monitoring unit, which is used for monitoring late data jump in an adaptive voltage frequency adjustment technology, and is characterized by comprising a charging path unit 1, a charging path unit 2, a controllable switch M9, a phase inverter U1 and a high threshold buffer U2. The jump monitoring unit has obvious advantages in response time and minimum working voltage, and can stably work in a low-to-near threshold region, so that the voltage regulation range is expanded to the near threshold region, and the overall power consumption gain is relatively high; in addition, the response time is very short, and the data hopping condition in the clock high level period can be monitored in an extremely short time.

Description

technical field [0001] The invention relates to a current-type level jump monitoring unit applied in the adaptive voltage technology. The circuit can be used in the adaptive voltage adjustment technology to monitor circuit timing errors, so as to issue early warnings for timing violations. and avoid timing errors. The whole circuit is realized by pure digital logic, which belongs to the field of integrated circuit design. Background technique [0002] With the continuous growth of the scale and computing power of integrated circuits, and application scenarios such as the Internet of Things, embedded devices, mobile terminals, supercomputers and data centers, the energy consumption of devices is increasingly demanding. In IoT applications, terminal devices often require a long battery life. Therefore, energy consumption plays a vital role in the survivability and functional integrity of IoT devices. For mobile terminals, higher requirements are put forward for their standby...

Claims

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Application Information

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IPC IPC(8): H03K5/125
CPCH03K5/125Y02D10/00
Inventor 单伟伟程博扬
Owner SOUTHEAST UNIV
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