Integrated circuit devices having precharge and equalization...

Details Integrated circuit devices having precharge and equalization... Integrated circuit devices having precharge and equalization...

2007-06-12

2007-06-12

Nguyen, Tan T. (Department: 2827)

Static information storage and retrieval

Read/write circuit

Precharge

C365S190000

Reexamination Certificate

active

11329660

ABSTRACT:
An integrated circuit device may include an equalization transistor having first and second current carrying terminals electrically coupled to first and second signal lines, respectively, and a gate terminal responsive to an enable signal. A first body voltage control circuit may also be provided. This control circuit includes a first transistor having a first current carrying terminal electrically connected to the first signal line, a second current carrying terminal electrically connected to a body terminal of the equalization transistor and a gate terminal electrically connected to the second signal line. This first body voltage control circuit may operate to boost a voltage of the body terminal during an equalization time interval and thereby inhibit threshold voltage increases in the equalization transistor, which may limit operating speed of the integrated circuit device. The first body voltage control circuit may also include a second transistor having a first current carrying terminal electrically connected to the second signal line, a second current carrying terminal electrically connected to the body terminal of the equalization transistor and a gate terminal electrically connected to the first signal line.

REFERENCES:
patent: 4658381 (1987-04-01), Reed et al.
patent: 5412605 (1995-05-01), Ooishi
patent: 5572473 (1996-11-01), Robertson
patent: 6041003 (2000-03-01), Casper et al.
patent: 6281713 (2001-08-01), Kim
patent: 6493275 (2002-12-01), Tomita

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