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MOUSETRAP: ultra-high-speed transition-signaling asynchronous pipelines

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2 Author(s)
Singh, M. ; Dept. of Comput. Sci., Columbia Univ., New York, NY, USA ; Nowick, S.M.

A new asynchronous pipeline design is introduced for high-speed applications. The pipeline uses simple transparent latches in its datapath, and small latch controllers consisting of only a single gate per pipeline stage. This simple stage structure is combined with an efficient transition-signaling protocol between stages. Initial pre-layout HSPICE simulations of a 10-stage FIFO on a 16-bit wide datapath indicate throughput of 3.51 GigaHertz in 0.25 μ CMOS, using a conservative process. This performance is competitive even with that of wave pipelines, without the accompanying problems of complex timing and much design effort. Additionally, the new pipeline gracefully and robustly adapts to variable-speed environments. The stage implementations are extended to fork and join structures, to handle more complex system architectures

Published in:

Computer Design, 2001. ICCD 2001. Proceedings. 2001 International Conference on

Date of Conference:

2001

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