An Energy-Efficient Subthreshold Level Converter in 130-nm CMOS

被引：75

作者：

Wooters, Stuart N. ^{[1
]}

Calhoun, Benton H. ^{[1
]}

Blalock, Travis N. ^{[1
]}

机构：

[1] Univ Virginia, Sch Engn & Appl Sci, Dept Elect & Comp Engn, Charlottesville, VA 22904 USA

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2010年 / 57卷 / 04期

关键词：

Level converter; level-up shifter; subthreshold; PROCESSOR;

D O I：

10.1109/TCSII.2010.2043471

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This brief presents a fast energy-efficient level converter capable of converting an input signal from subthreshold voltages up to the nominal supply voltage. Measured results from a 130-nm test chip show robust conversion from 188 mV to 1.2 V with no intermediate supplies required. A combination of circuit methods makes the converter robust to the large variations in the current characteristics of subthreshold circuits. To support dynamic voltage scaling, the level converter can upconvert an input at any voltage within this range to 1.2 V.

引用

页码：290 / 294

页数：5

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