Low power disk drive clock generator circuit

Details Low power disk drive clock generator circuit Low power disk drive clock generator circuit

1992-09-02

1994-10-11

MacDonald, Allen R.

395550, G06F 104

Patent

active

053555023

ABSTRACT:
A clock generator circuit for use with a low power data storage unit includes a resonator circuit for providing a first output frequency resonating at a fundamental frequency of a quartz crystal. A frequency multiplication circuit for multiplies the first output frequency by a predetermined factor to produce a second output frequency greater than the first output frequency. This second output frequency is coupled to the data storage unit and is used during normal read/write mode of operation. In a low power mode of operation, a switching network couples the first output frequency directly to the data storage unit so as to reduce the overall power consumption.

REFERENCES:
patent: 4893271 (1990-01-01), Davis et al.
patent: 5155451 (1992-10-01), Gladden et al.
patent: 5167024 (1992-11-01), Smith et al.
patent: 5261082 (1993-11-01), Ito et al.

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