A NBTI self-healing circuit for a 12 nm CMOS high-gain amplifier

IF 1.6 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Microelectronics Reliability Pub Date : 2025-03-18 DOI:10.1016/j.microrel.2025.115684

Jun-an Zhang , Hao Chen , Bo Liu , De-ming Liu , Tiehu Li , Zhenghao Wang , Maoguo Gong , Qingwei Zhang

引用次数: 0

Abstract

This paper presents a self-healing circuit for a 12 nm CMOS high-gain amplifier which can mitigate the degeneration of NBTI effects. Based on an 12 nm P-FinFET NBTI equivalent circuit model, the degeneration of a high gain amplifier under NBTI stress has been simulated. The DC-gain will degrade from 107.5 dB to 80.6 dB after 10 years NBTI stress. A monitoring circuit has been utilized to indirectly detect the degeneration degree of the input transconductance and DC-gain, and then compensate it through a bias circuit and an input transistors replacement circuit. The simulation results show that the input transconductance and DC-gain of the amplifier with the self-healing circuit will decrease about 0.01uS and 0.09 dB at 25 °C after 10 years of NBTI stress. Further corner simulations show that the lifespan of the amplifier with the self-healing circuit will be >20 years under NBTI stress.

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来源期刊

Microelectronics Reliability 工程技术-工程：电子与电气

CiteScore

3.30

自引率

12.50%

发文量

342

审稿时长

68 days

期刊介绍： Microelectronics Reliability, is dedicated to disseminating the latest research results and related information on the reliability of microelectronic devices, circuits and systems, from materials, process and manufacturing, to design, testing and operation. The coverage of the journal includes the following topics: measurement, understanding and analysis; evaluation and prediction; modelling and simulation; methodologies and mitigation. Papers which combine reliability with other important areas of microelectronics engineering, such as design, fabrication, integration, testing, and field operation will also be welcome, and practical papers reporting case studies in the field and specific application domains are particularly encouraged. Most accepted papers will be published as Research Papers, describing significant advances and completed work. Papers reviewing important developing topics of general interest may be accepted for publication as Review Papers. Urgent communications of a more preliminary nature and short reports on completed practical work of current interest may be considered for publication as Research Notes. All contributions are subject to peer review by leading experts in the field.