Voltage regulator for memory device

Details Voltage regulator for memory device Voltage regulator for memory device

1996-03-13

1998-01-06

Cunningham, Terry

Static information storage and retrieval

Powering

327540, 327541, 36518909, G05F 302

Patent

active

057062404

ABSTRACT:
A voltage regulator for electrically programmable, non-volatile memory devices has an output terminal connected to a power supply line for programming the state of at least one memory element through at least one selection circuit. At least first and second resistive elements are connected between first and second terminals of a voltage supply. At least a first circuit is matched to the at least one selection circuit, and the first circuit is coupled serially with the resistive elements between the two terminals of the voltage supply. At least one control current generator is connected between one of the first and second voltage supply terminals and a node linking to one of the resistive elements, and the current of the controlled current generator is controlled to be a function of current through the at least one selection circuit. An operational amplifier has an inverting input and a non-inverting input, and the non-inverting input is connected to a node linking to at least one of the resistive elements. An output terminal of the operational amplifier is the regulator output terminal to which the inverting input is coupled.

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patent: 5309399 (1994-05-01), Murotani
patent: 5321660 (1994-06-01), Sani et al.

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