Patent
1975-09-24
1977-01-04
Wojciechowicz, Edward J.
357 38, 357 40, 357 45, 357 48, H01L 2974, H01L 2702, H01L 2710, H01L 2704
Patent
active
040018687
ABSTRACT:
The circuit and structure of a high voltage switch with latchup is disclosed for a latching driver used in a gas panel display. The driver circuit functions as a high voltage, single pole, double throw switch with memory. A plurality of the latching driver circuits may be integrated on an LSI chip. Each position lighted on a gas panel display requires two latching driver circuits which are operated in a complementary fashion by suitable logic. The latching driver circuit is comprised of a complementary transistor, high voltage output switch which is controlled by a positive feedback silicon controlled switch which serves as the latching mechanism. The structure of the latching driver is of an advanced integrated design employing a plurality of lateral complementary transistors in two isolation regions.
REFERENCES:
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patent: 3614474 (1971-10-01), Hahn
patent: 3673431 (1972-06-01), O'Brien
patent: 3706892 (1972-12-01), O'Brien
patent: 3737682 (1973-06-01), Ahmed
patent: 3754161 (1973-08-01), Johnson
patent: 3798471 (1974-03-01), Williams
patent: 3808501 (1974-04-01), Iwakawa et al.
Hoel John E.
International Business Machines - Corporation
Wojciechowicz Edward J.
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