Substrate voltage control circuit for a flash memory

Details Substrate voltage control circuit for a flash memory Substrate voltage control circuit for a flash memory

1995-05-24

1997-06-17

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327374, 327537, 327535, H03K 301

Patent

active

056401230

ABSTRACT:
A substrate voltage control circuit is used to apply bias voltage to a substrate or a well of a semiconductor memory such as a flash memory. The substrate voltage control circuits do not use any depletion type transistors. Therefore, the area occupied by the transistors for the circuit is small.

REFERENCES:
patent: 4392066 (1983-07-01), Hirao
patent: 4700125 (1987-10-01), Takata et al.
patent: 5422590 (1995-06-01), Coffman et al.

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