Nonvolatile semiconductor memory system

Details Nonvolatile semiconductor memory system Nonvolatile semiconductor memory system

1994-01-13

2000-12-12

Zarabian, A.

Static information storage and retrieval

Floating gate

Particular biasing

36518511, G11C 1606

Patent

active

06160738&

ABSTRACT:
A nonvolatile semiconductor memory system is provided with a nonvolatile memory cell array divided into erase blocks data and refresh blocks, and a flag cell array including a plurality of nonvolatile flag cells each of which corresponds to one of the refresh blocks and stores data representing the refresh status of the corresponding refresh block.

REFERENCES:
patent: 5197026 (1993-03-01), Butler
patent: 5239505 (1993-08-01), Fazio et al.
patent: 5283885 (1994-02-01), Hollerbauer

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