Nonvolatile semiconductor memory device

Details Nonvolatile semiconductor memory device Nonvolatile semiconductor memory device

1996-04-22

1997-10-14

Nelms, David C.

Static information storage and retrieval

Floating gate

Particular biasing

36518533, 36518909, 365226, G11C 1134

Patent

active

056778740

ABSTRACT:
A nonvolatile semiconductor memory device requiring a plurality of power supply voltages for operation includes: a DC-DC converter for boosting a first power supply voltage of a first voltage level externally supplied; and a charge pumping circuit for further boosting an output voltage obtained as a result of boosting by the DC-DC converter so as to supply a second power supply voltage of a second voltage level.

REFERENCES:
patent: 5009143 (1991-04-01), Arakawa
patent: 5267218 (1993-11-01), Elbert
patent: 5508971 (1996-04-01), Cernea et al.

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