CMOS power-on detecting circuit

Details CMOS power-on detecting circuit CMOS power-on detecting circuit

1985-03-06

1987-03-10

Miller, Stanley D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307246, 307304, 307296R, 307594, H03K 1730

Patent

active

046492925

ABSTRACT:
A CMOS power on detection circuit is described which includes pairs of complementary MOS transistors being connected in series between two supply lines. Each pair of transistors includes a long and a short channel transistor. Biasing the transistors by the rising supply voltage and by the voltages on the nodes formed by the pairs respectively allows to reduce or to cut current consumption once the detection is performed.

REFERENCES:
patent: 4045688 (1977-08-01), Stewart
patent: 4103187 (1978-07-01), Imamura
patent: 4173756 (1979-11-01), Kawagai et al.
patent: 4309627 (1982-01-01), Tabata
patent: 4414503 (1983-11-01), Hashimoto
patent: 4507572 (1985-03-01), Hashimoto et al.
patent: 4521696 (1985-06-01), Raghunathan

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