A method of customizing GasP with logical effort

Yan Wang; Xun Li; Tong Fu; Mingyang Zhou; Zhengbang Kang; Mingxiao Guan; Anping He

doi:10.1117/12.2680431

31 May 2023 A method of customizing GasP with logical effort

Yan Wang, Xun Li, Tong Fu, Mingyang Zhou, Zhengbang Kang, Mingxiao Guan, Anping He

Proceedings Volume 12704, Eighth International Symposium on Advances in Electrical, Electronics, and Computer Engineering (ISAEECE 2023); 127040Q (2023) https://doi.org/10.1117/12.2680431
Event: 8th International Symposium on Advances in Electrical, Electronics and Computer Engineering (ISAEECE 2023), 2023, Hangzhou, China

Abstract

The GasP circuit is a high-speed controller that has been used more often in the field of asynchronous circuits. However, in the conventional GasP design method, the matching process of its internal delay lacks the consideration of the circuit application environment. In view of this, this paper proposes three delay adjustment methods by combining the usage scenario of the circuit and the logical effort. The method first adjusts the pulse width of the digital circuit, the ability to drive the DFF and the maximum equivalent frequency of the circuit, then customizes the delay and drive of the GasP, and finally verifies the performance with a NoC built with the GasP. The experimental results show that the maximum equivalent frequency of GasP can reach 2.28GHz in 110nm CMOS process, which is about 10 times of the classical synchronous design.

Citation Download Citation

Yan Wang, Xun Li, Tong Fu, Mingyang Zhou, Zhengbang Kang, Mingxiao Guan, and Anping He "A method of customizing GasP with logical effort", Proc. SPIE 12704, Eighth International Symposium on Advances in Electrical, Electronics, and Computer Engineering (ISAEECE 2023), 127040Q (31 May 2023); https://doi.org/10.1117/12.2680431

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