Mixed voltage interface converter

Details Mixed voltage interface converter Mixed voltage interface converter

1995-02-13

1996-07-30

Westin, Edward P.

Electronic digital logic circuitry

Interface

Supply voltage level shifting

326 68, 326 83, H03K 190185, H03K 190948

Patent

active

055415342

ABSTRACT:
The present invention facilitates communication of signals from circuitry implemented with a first CMOS technology requiring a first voltage level supply for operation to circuitry implemented with a second CMOS technology requiring a second voltage level supply for operation, wherein the first and second voltage level supplies are not equal. The present invention receives from the circuitry implemented with a first CMOS technology a signal which has a first voltage level that is not acceptable for input into the circuitry implemented with a second CMOS technology. This signal is converted to a second voltage level that is acceptable for input into the circuitry implemented with a second CMOS technology, and then transmitted to the circuitry implemented with a second CMOS technology requiring a second voltage level supply for operation.

REFERENCES:
patent: 4314166 (1982-02-01), Bismark
patent: 4965459 (1990-10-01), Murray
patent: 5276364 (1994-01-01), Wellheuser
patent: 5300835 (1994-04-01), Assar et al.
patent: 5311083 (1994-05-01), Wanlass
patent: 5352942 (1994-10-01), Tanaka et al.
patent: 5378945 (1995-01-01), Partovi
patent: 5406140 (1995-04-01), Wert et al.

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