Microcomputer having high-speed and low-speed operation modes fo

Details Microcomputer having high-speed and low-speed operation modes fo Microcomputer having high-speed and low-speed operation modes fo

1987-01-20

1989-08-29

Williams, Jr., Archie E.

Boots, shoes, and leggings

G06F 1300, G06F 1500

Patent

active

048623482

ABSTRACT:
A microcomputer having an instruction memory is provided with a high-speed sense amplifier which can selectively operate in either of a high-speed operation mode or a low-speed operation mode. The high-speed sense amplifier is activated full time or at a large duty rate in the high-speed operation mode and is activated at a low-duty rate in the low-speed operation mode. By operating at a low-duty rate in the low-speed mode, a considerable power savings is realized while retaining the high speed benefits of the sense amplifier, which may be in the form of a current mirror-type sense amplifier or the like.

REFERENCES:
patent: 4470109 (1984-09-01), McNally
patent: 4508101 (1985-04-01), Suzuki
patent: 4594657 (1986-06-01), Byrns
patent: 4594690 (1986-06-01), Meyers et al.
patent: 4660180 (1987-04-01), Tanimura et al.
patent: 4715017 (1987-12-01), Iwahashi
patent: 4727491 (1988-02-01), Culley

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