Circuit for generating an internal source voltage

Details Circuit for generating an internal source voltage Circuit for generating an internal source voltage

1993-03-24

1994-06-14

LaRoche, Eugene R.

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

36518907, 365226, 36518911, 3072968, 307264, G11C 514, G05F 1316

Patent

active

053216539

ABSTRACT:
A circuit for generating an internal source voltage which is applied to the memory elements of a semiconductor device. The circuit includes a reference voltage generating circuit for generating a reference voltage, a comparator for comparing the internal source voltage with the reference voltage, a driver for driving an external source voltage into the internal source voltage under the control of the comparator, and a low reference voltage generating circuit for generating a control signal to fully turn on the driver when the voltage level of the external source voltage is lower than the voltage level of the reference voltage generating circuit and which prevents the driver from receiving the output signal of the comparator so as to apply the external source voltage to the memory element of the memory device.

REFERENCES:
patent: 4833341 (1989-05-01), Watanabe et al.
patent: 5046052 (1991-09-01), Miyaji et al.
patent: 5077518 (1991-12-01), Han
patent: 5103158 (1992-04-01), Otto et al.
patent: 5132555 (1992-07-01), Takahashi
patent: 5249155 (1993-09-01), Arimoto et al.

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