Low voltage data retention bias circuitry for volatile memories

Details Low voltage data retention bias circuitry for volatile memories Low voltage data retention bias circuitry for volatile memories

1977-06-30

1978-08-01

Fears, Terrell W.

Static information storage and retrieval

Powering

Data preservation

365154, 365195, 365206, 365227, 307238, G11C 1140, G11C 1300

Patent

active

041047346

ABSTRACT:
Circuitry that senses a drop in the power supply voltage and turns off bias voltages in the proper sequence to prevent further writing into the cells of a random access memory while permitting the cells to remain in a low supply voltage standby to retain their stored data.

REFERENCES:
patent: 3644907 (1972-02-01), Gricchi
patent: 3713115 (1973-01-01), Duben
patent: 3774177 (1973-11-01), Schaffer
patent: 3811090 (1974-05-01), Uchida
patent: 3971004 (1976-07-01), Dingwell
patent: 4006469 (1977-02-01), Leehan

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