Voltage level interface circuit with set-up and hold control

Details Voltage level interface circuit with set-up and hold control Voltage level interface circuit with set-up and hold control

1997-09-18

1999-09-14

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

With compensation

327262, 327333, 327400, 326 29, 326 80, 36518911, 365194, H03K 19003, H03K 5159

Patent

active

059528680

ABSTRACT:
The output (3) of a level shifter (1) is split into two paths (4,5) with a delay (.tau..sub.1, .tau..sub.2) being introduced into at least one path to enable rise delay and fall delay to be controlled independently of one another. In the context of an integrated circuit which includes a memory device, the use of an additional path allows control of the set-up and hold times in that one transition can be speeded up or slowed down independently of the other transition to achieve the best possible set-up and hold times.

REFERENCES:
patent: 4985639 (1991-01-01), Renfrow et al.
patent: 5119334 (1992-06-01), Fujii
patent: 5264745 (1993-11-01), Woo
patent: 5389828 (1995-02-01), Tago
patent: 5438550 (1995-08-01), Kim
patent: 5600274 (1997-02-01), Houston
patent: 5696463 (1997-12-01), Kwon

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