High voltage CMOS switching circuit

Details High voltage CMOS switching circuit High voltage CMOS switching circuit

1993-07-06

1995-04-11

Westin, Edward P.

Electronic digital logic circuitry

Interface

Logic level shifting

326121, 327108, 327210, H03K 190175, H03K 301

Patent

active

054061415

ABSTRACT:
A high-voltage switching circuit comprising two arms, wherein each arm has a P-channel load transistor, a forward biased diode and an N-channel switching transistor series-connected between the high voltage and the ground. The gate of the N-channel transistor is controlled by a switching signal C in one arm and by the complementary switching signal C in the other arm. Such a structure enables the stress undergone by the load and switching transistors of the switching circuit to be reduced by several magnitudes.

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Concannon, et al., "FET Current Driver Having Large Dynamic Range", IBM Technical Disclosure Bulletin, vol. 25, No. 7A, Dec. 1982, p. 3505.
IBM Technical Disclosure Bulletin, vol. 32, No. 7, Dec. 1989, "5-Volt Signal Level Shifter in a 3-Volt CMOS Circuit", p. 454.

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