Non-volatile semiconductor memory device

Static information storage and retrieval – Floating gate – Particular biasing

Reexamination Certificate

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Details

C327S540000, C327S541000

Reexamination Certificate

active

11193442

ABSTRACT:
When a voltage level detector detects that a supply voltage reaches a recovery voltage level that requires a recovery operation, a signal generator generates a recovery operation instructing signal for instructing the recovery operation. The recovery operation instructing signal is invalidated if a certain operation mode is executed and validated in other cases.

REFERENCES:
patent: 5828596 (1998-10-01), Takata et al.
patent: 6351179 (2002-02-01), Ikehashi et al.
patent: 6642757 (2003-11-01), Ikehashi et al.
patent: 6868026 (2005-03-01), Fujioka
patent: 6901012 (2005-05-01), Ikehashi et al.

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