Library of standard cells for the design of integrated circuits

Details Library of standard cells for the design of integrated circuits Library of standard cells for the design of integrated circuits

1996-12-12

1998-06-09

Wallace, Valencia Martin

Active solid-state devices (e.g., transistors, solid-state diode

Gate arrays

257206, 257207, 257208, 257211, H01L 2710

Patent

active

057639078

ABSTRACT:
A cell library for the design of integrated circuits, for example using CMOS technology, includes cells which define circuit modules in rectangular areas having an identical side. Two traces are provided which extend at right-angles to the identical side and which define strips for connection to the supply, at least one of which is in contact with the source regions of MOS transistors of a CMOS pair. In order to permit the design of integrated circuits in which the analog parts are insensitive to the noise induced in the substrate by the digital parts and in which it is possible to reduce the current absorption of the digital parts in stand-by mode, the cell library also provides a group of cells in which there is provided at least one additional trace which defines an additional strip for connection to the outside and which is in contact with the body regions of the MOS transistors of the CMOS pair.

REFERENCES:
patent: 3983619 (1976-10-01), Kubo et al.
patent: 5083178 (1992-01-01), Otsu
patent: 5164811 (1992-11-01), Tamura
patent: 5367187 (1994-11-01), Yuen
patent: 5493135 (1996-02-01), Yin
patent: 5534724 (1996-07-01), Nagamine
patent: 5612553 (1997-03-01), Arakawa
patent: 5619062 (1997-04-01), Janai et al.
patent: 5635737 (1997-06-01), Yin

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