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Leakage-biased domino circuits for dynamic fine-grain leakage reduction

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2 Author(s)
Seongmoo Heo ; Lab. for Comput. Sci., MIT, Cambridge, MA, USA ; Asanovic, K.

A leakage-biased domino circuit family is proposed that maintains high speed in active mode but which can be rapidly placed into a low-leakage inactive state by using leakage currents themselves to bias internal nodes. A 32-bit Han-Carlson domino adder circuit is used to compare LB-domino with conventional single and dual Vt domino circuits. For equal delay and noise margin, the LB-domino technique gives two decades reduction in steady-state leakage energy compared to a dual-Vt technique.

Published in:

VLSI Circuits Digest of Technical Papers, 2002. Symposium on

Date of Conference:

13-15 June 2002