Power switched read-only memory

Details Power switched read-only memory Power switched read-only memory

1984-11-15

1987-08-11

Moffitt, James W.

Static information storage and retrieval

Powering

G11C 800, G11C 1700

Patent

active

046866515

ABSTRACT:
A memory integrated circuit component comprises: a memory; addressing circuitry for the memory; and, power switch circuit, programmable to either: (a) electrically couple or decouple the addressing circuitry and a power supply selectively in accordance with an enable signal; or, (b) maintain the addressing circuitry electrically coupled to the power supply independent of the enable signal.
With such arrangement, an integrated circuit component manufacturer avoids having to produce two separate types of non-volatile integrated circuit memories (i.e., a power switched component and a non-power switched component), but rather such manufacturer is able to fabricate a common non-volatile integrated circuit memory component which may be programmed after fabrication by either the user or the manufacturer as either a non-power switched memory component or a power switched memory component.

REFERENCES:
patent: 4174541 (1979-11-01), Schmitz
patent: 4329685 (1982-05-01), Mahon et al.
patent: 4385368 (1983-05-01), Principi et al.

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