RAM memory cell with electrically programmable non-volatile memo

Details RAM memory cell with electrically programmable non-volatile memo RAM memory cell with electrically programmable non-volatile memo

1984-01-20

1986-09-02

Moffitt, James W.

Static information storage and retrieval

Systems using particular element

Flip-flop

365 95, 365227, G11C 1140, G11C 700

Patent

active

046099999

ABSTRACT:
The cell is realized according to a bistable structure which includes a non-volatile memory element. During the normal operation the structure operates as a static RAM cell with the non-volatile element excluded from the circuit. In case of turn-off of the supply line or after suitable control signals, a particular circuit arrangement allows to execute the programming operation of the non-volatile element, that is the information storage, without current absorption. At the turn-on, the automatic reinstatement of the stored information occurs.

REFERENCES:
patent: 4132904 (1979-01-01), Harari
patent: 4158237 (1979-06-01), Wiedmann
patent: 4207615 (1980-06-01), Mar
patent: 4388704 (1983-06-01), Bertin et al.

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