Voltage regulator for non-volatile semiconductor memory devices

Details Voltage regulator for non-volatile semiconductor memory devices Voltage regulator for non-volatile semiconductor memory devices

1995-01-03

1996-11-19

Popek, Joseph A.

Static information storage and retrieval

Floating gate

Particular biasing

36518520, 36518518, G11C 1134, G11C 1606

Patent

active

055769900

ABSTRACT:
A voltage regulator for electrically programmable non-volatile semiconductor memory devices of the type comprising a gain stage (3), supplied by a programming voltage (V.sub.PP) and having an input terminal connected to a divider (6) of said programming voltage (V.sub.PP) and an output terminal (U) connected to a programming line (5) of at least one memory cell (2) comprises at least one circuit element (4) capable of adapting the line programming voltage (5) to the length (L) of the memory cell (2). This solution makes it possible to have on the bit line of the memory device a drain voltage varying according to the actual length of the memory cell.

REFERENCES:
patent: 4858186 (1989-08-01), Jungroth
patent: 4875188 (1989-10-01), Jungroth
patent: 5253201 (1993-10-01), Atsumi et al.

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