Programmable mixed-mode integrated circuit architecture

Details Programmable mixed-mode integrated circuit architecture Programmable mixed-mode integrated circuit architecture

1994-01-03

1996-10-08

Westin, Edward P.

Electronic digital logic circuitry

Multifunctional or programmable

H03K 19173

Patent

active

055635261

ABSTRACT:
A programmable mixed-mode circuit (180) has both digital (215,217) and analog (120,120',120") circuit portions. The digital portion (215,217) is provided by programmable digital logic. The analog portion (120,120',120") has a variety of analog circuits, including voltage references (218), high-speed comparators (208,209) and circuits (80) that are selectively configurable to provide operational amplifier or comparator functions. The analog circuits (122-125) are interconnected by programmable switch elements (128-131,160-167) so that the connection of the analog circuits to one another, to input or output pins (A0-A3,B0-B3,C0-C3) and to the digital circuitry (215,217) can be programmed.

REFERENCES:
patent: 4952934 (1990-08-01), Chiriatti
patent: 5107146 (1992-04-01), El-Ayat
patent: 5196740 (1993-03-01), Austin
patent: 5298806 (1994-03-01), Sako

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