Synthesis of CMOS domino circuits for charge sharing alleviation

Authors:
Ching Hwa Cheng;Shih Chieh Chang;Shin De Li;Wen Ben Jone;Jinn Shyan Wang
Affiliations:
National Chung Cheng University, Chiayi, Taiwan, Republic of China;National Chung Cheng University, Chiayi, Taiwan, Republic of China;National Chung Cheng University, Chiayi, Taiwan, Republic of China;National Chung Cheng University, Chiayi, Taiwan, Republic of China;National Chung Cheng University, Chiayi, Taiwan, Republic of China
Venue:
Proceedings of the 2000 IEEE/ACM international conference on Computer-aided design
Year:
2000

Citing 2
Cited 0

Digital integrated circuits: a design perspective

Digital integrated circuits: a design perspective
Transistor reordering for power minimization under delay constraint

ACM Transactions on Design Automation of Electronic Systems (TODAES)

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Abstract

The Charge Sharing (CS) problem is one of notorious noise problems in domino circuits design and test. In this paper, this problem is thoroughly investigated by considering circuit topology and circuit function. The sensitivity of each domino gate to the CS problem is represented by the concept of CS-vulnerability. A method to derive the CS-vulnerability and the test pattern for each domino gate is suggested. We also propose a transistor reordering method to dramatically reduce the CS-vulnerabilities for all domino gates, so that the CS problem can be alleviated. Simulation results demonstrate that our transistor reordering method can efficiently reduce the CS-vulnerabilities for most of domino circuits.