Circuit device and corresponding method for programming a nonvol

Details Circuit device and corresponding method for programming a nonvol Circuit device and corresponding method for programming a nonvol

1999-05-28

2000-08-29

Mai, Son

Static information storage and retrieval

Floating gate

Particular biasing

36518521, G11C 1604, G11C 1606

Patent

active

061117919

ABSTRACT:
A circuit device programs non-volatile memory cells having a single voltage supply, wherein each cell comprises a floating gate transistor having source and drain terminals and a control gate terminal, with the drain terminal being supplied a program voltage from a voltage booster circuit. The device includes a means of supplying a constant drain current to the drain terminal of the memory cell; an element for sampling the drain current drawn through the cell; and a means of voltage feedback driving the control gate terminal of the cell according to the sampled value of the drain current.

REFERENCES:
patent: 4954990 (1990-09-01), Vider
patent: 5335198 (1994-08-01), Van Buskirk et al.
patent: 5748534 (1998-05-01), Dunlap et al.
patent: 5973959 (1999-10-01), Gerna et al.

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