一个0.5V 100MHz的PD-SOI SRAM,通过非对称MOSFET和正向体偏置增强了读取稳定性和写入裕度

K. Nii, M. Yabuuchi, Y. Tsukamoto, Y. Hirano, T. Iwamatsu, Y. Kihara
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引用次数: 23

摘要

电压和技术缩放以及增加MOSFET特性的随机变化会降低SRAM功能的工作裕度,并且已经提出了几种设计技术来提高裕度[1-3]。然而,对于使用太阳能电池的传感器网络应用等设备,仅通过设计仍然难以实现低电压操作(小于1V)。需要结合器件技术的设计解决方案来实现稳健的SRAM操作,同时保持低待机泄漏。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A 0.5V 100MHz PD-SOI SRAM with enhanced read stability and write margin by asymmetric MOSFET and forward body bias
Voltage and technology scaling and increasing random variation in MOSFET characteristics reduce the operational margin of SRAM functionality, and several design techniques have been suggested to improve margins [1–3]. However, it is still difficult to achieve low-voltage operation (less than 1V) by design alone for devices such as sensor network applications using solar batteries. Design solutions combined with device techniques are required for robust SRAM operation and at the same time maintain low standby leakage.
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