Latch-up restoration circuit

Details Latch-up restoration circuit Latch-up restoration circuit

1988-11-18

1990-02-13

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307246, 307362, 307443, 307480, 364200, H03K 19003

Patent

active

049009516

ABSTRACT:
A latch-up restoration circuit for an electronic circuit generating a signal having a predetermined operating frequency such as a microcomputer, comprises a latch-up sensing device sensing a state that the frequency of the signal generated by the electronic circuit is on the outside of a predetermined frequency range and generating a latch-up detection signal, and a power supply inhibiting device inhibiting supply of a power current to the electronic circuit for a predetermined time period in response to the latch-up detection signal. The electronic circuit is automatically resumed to an initial state and the latch-up phenomenon is removed when the supply of the power current is restarted.

REFERENCES:
patent: 4266145 (1981-05-01), Amacher et al.
patent: 4405982 (1983-09-01), Ruhnan et al.
patent: 4434403 (1984-02-01), Chang
patent: 4464584 (1984-08-01), Hentzschel et al.
patent: 4518865 (1985-05-01), Iwasaki
patent: 4520418 (1985-05-01), Susi
patent: 4572966 (1986-02-01), Hepworth
patent: 4618953 (1986-10-01), Daniels et al.
patent: 4627060 (1986-12-01), Huang et al.
patent: 4698829 (1987-10-01), Di Giulio
patent: 4791317 (1988-12-01), Winnerel et al.

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