Timing circuit with rapid initialization on power-up

Details Timing circuit with rapid initialization on power-up Timing circuit with rapid initialization on power-up

1995-06-07

1997-04-01

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

231143, 231177R, H03B 524, H03K 30231, H03L 100

Patent

active

056170629

ABSTRACT:
A timer initialization circuit is used to stabilize a timing signal of a system timed using a core oscillator. The timer initialization circuit includes a circuit which disables the core oscillator during a power-down mode and re-enables the core oscillator upon termination of the power-down mode. The timer initialization circuit also includes a circuit which stores an indication of an oscillation frequency at which the circuit operates immediately preceding the power-down mode.

REFERENCES:
patent: 4673892 (1987-06-01), Miyashita et al.
patent: 4841255 (1989-06-01), Ohba et al.
patent: 4893094 (1990-01-01), Herold et al.
patent: 4998075 (1991-03-01), Patton, III et al.
patent: 5017919 (1991-05-01), Hull et al.
S.M. Sze, "Physics of Semiconductor Devices", .COPYRGT.1969, FIG. 20. John Wiley & Sons, New York.

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