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A High-Speed PLA Using Dynamic Array Logic Circuits with Latch Sense Amplifiers

Hiroaki YAMAOKA, Makoto IKEDA, Kunihiro ASADA

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Summary :

In this paper, a high-speed PLA based on dynamic array logic circuits with latch sense amplifiers is presented. The present circuit consists of logic cell arrays, dual-rail bit-lines, latch sense amplifiers, and control blocks. By using a charge sharing scheme and latch sense amplifiers, voltage swings of the bit-lines are reduced compared to the conventional circuits, thus a high-speed and low-power operation is achieved. The present array logic configuration can realize any logic function expressed in the sum-of-products form by using PLA structure. As an application of the proposed PLA, a 32-bit binary comparator is designed and implemented in a 0.6-µm double-poly triple-metal CMOS process. Results of HSPICE simulation show a better performance compared to the conventional circuits. Functional testing using electron beam probing shows that the present circuit operates correctly.

Publication
IEICE TRANSACTIONS on Electronics Vol.E84-C No.9 pp.1240-1246
Publication Date
2001/09/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Integrated Electronics

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