Electronic digital logic circuitry – Interface – Supply voltage level shifting
Patent
1996-04-26
1997-09-02
Westin, Edward P.
Electronic digital logic circuitry
Interface
Supply voltage level shifting
326 68, 326 83, H03K 190185, H03K 190948
Patent
active
056636636
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.
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Cao Tai
Dutta Satyajit
Nguyen Thai Quoc
Trinh Thanh Doan
Walls Lloyd Andre
England Anthony V. S.
International Business Machines - Corporation
Kordzik Kelly K.
Santamauro Jon
Westin Edward P.
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