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A 500 MHz 1 Mb on-chip cache design using multi-level bit line sensing scheme

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3 Author(s)
Guo, R. ; Silicon Graphics Comput. Syst., Mountain View, CA, USA ; Su, T.Y. ; Chia-Chi Chao

The article compares the overall delay between a conventional design scheme vs. this work for the same process technology. Separate write BLs and split read BLs reduce the first two timing components from 22 gd to 10 gd. A new SA design improves the sensing delay by 3 gd, and the differential dynamic implementation of sel mux/load aligner shaves 5 more gd from critical path. Therefore we conclude this design using multi-level sensing scheme can reduce 40 gd cycle time by conventional scheme down to 20 gd, achieving 500 MHz performance with today's technology.

Published in:

VLSI Circuits, 1996. Digest of Technical Papers., 1996 Symposium on

Date of Conference:

13-15 June 1996