Delay circuit for integrated circuit

Details Delay circuit for integrated circuit Delay circuit for integrated circuit

1990-06-13

1991-04-09

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307585, 307597, 307605, H03K 513

Patent

active

050067389

ABSTRACT:
A delay circuit for integrated circuits includes a current mirror circuit having at least a pair of MIS transistors, a constant current source and a capacitance. The delay time is determined by the charging time of the capacitance connected to one of the MIS transistors. A stable delay time is obtained regardless of manufacturing variations and the space required for the circuit is reduced.

REFERENCES:
patent: T926003 (1974-09-01), Nomiya et al.
patent: 3895239 (1975-07-01), Alaspa
patent: 3937982 (1976-02-01), Nakajima
patent: 4424456 (1984-01-01), Shiraki et al.
patent: 4499387 (1985-02-01), Konishi
patent: 4644182 (1987-02-01), Kawashima et al.
patent: 4752703 (1988-06-01), Lin
patent: 4812687 (1989-03-01), Larson et al.
patent: 4835489 (1989-05-01), Monticelli
IBM Tech. Disc. Bult., Hanafi, Delay Driver Circuit, Jan. '81, p. 3610.
IBM Tech. Disc. Bult., Sonoda, MOSFET Powering Circuit, Feb. '71, p. 2658.
"Electronics Engineers' Handbook"; editor; Fink, Donald; McGraw-Hill Book Company, Second Edition, pp. (16-16)-(16-19).

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