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A high-speed 16-bit cascadable ALU using an ASPECT standard cell approach

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2 Author(s)
Keshlear, W.M. ; Nat. Semicond. Corp. Inc., Puyallup, WA, USA ; Gabel, B.L.

A 16-bit ALU (arithmetic logic unit) design is presented which was designed using ASPECT standard cells and boasts an operating frequency of 142 MHz. The ALU is expandable, with a full carry lookahead capability that allows implementation of a 100-MIPS (million-instruction-per-second) 64-bit system. The methodology used to implement the design efficiently maximizes performance using critical path analysis and automatic modification along this path to reach desired performance goals

Published in:

Custom Integrated Circuits Conference, 1988., Proceedings of the IEEE 1988

Date of Conference:

16-19 May 1988