Virtual ground read only memory

Details Virtual ground read only memory Virtual ground read only memory

1985-01-31

1987-01-20

Popek, Joseph A.

Static information storage and retrieval

Read only systems

Semiconductive

365203, G11C 1700

Patent

active

046384596

ABSTRACT:
A dynamic read only memory (ROM) which comprises a memory select precharge section, a memory select section, a memory section, a memory precharge section and a plurality of grounding devices. The ground reference for the pulldown transistors is selectively activated at an appropriate time such that the memory sections are active only for a relatively brief portion of the memory cycle, thereby reducing dc power consumption and simplifying the driver circuit.

REFERENCES:
patent: 4145759 (1979-03-01), Remedi
patent: 4388702 (1983-06-01), Sheppard
patent: 4485460 (1984-11-01), Stambaugh

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