ACORN: A Local Customization Approach to DCVS Physical Design

Differential cascode voltage switch (DCVS) trees are high performance, high functionality CMOS circuits, which, because they have a large number of inputs and internal connections, are difficult to wire on a large scale. Wirability is substantially improved by local customization at the tree level....

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Bibliographic Details
Published in22nd ACM/IEEE Design Automation Conference pp. 32 - 38
Main Authors Yoffa, E.J., Hauge, P.S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1985
Subjects
Boolean functions
Circuit synthesis
Decision trees
Large-scale systems
Logic design
Switches
Switching circuits
Voltage
Wire
Wiring
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ISBN0818606355
9780818606359
ISSN0738-100X
DOI10.1109/DAC.1985.1585909

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Summary:Differential cascode voltage switch (DCVS) trees are high performance, high functionality CMOS circuits, which, because they have a large number of inputs and internal connections, are difficult to wire on a large scale. Wirability is substantially improved by local customization at the tree level. This paper describes a DCVS customization procedure that exploits the fact that a Boolean function has more than one physical realization. Using ACORN, an automated physical design system based on this concept, we have placed and wired several designs, the largest of which is a group of three interconnected macros comprising approximately 800 DCVS trees.
ISBN:0818606355
9780818606359
ISSN:0738-100X
DOI:10.1109/DAC.1985.1585909