Semiconductor integrated circuit device with control circuit for

Details Semiconductor integrated circuit device with control circuit for Semiconductor integrated circuit device with control circuit for

1996-10-17

1999-03-23

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327543, 327546, 365226, G05F 110

Patent

active

058865691

ABSTRACT:
There is provided a semiconductor integrated circuit device including an external source voltage detector for keeping transmitting a first signal after detecting that an absolute value of external source voltage provided externally of the semiconductor integrated circuit device has exceeded a first threshold voltage, and an internal source voltage generator for generating a constant internal source voltage regardless of the external source voltage while the absolute value of the external source voltage is in a predetermined range, and providing the external source voltage as it is as an internal source voltage while the first signal is being kept transmitted. The semiconductor integrated circuit device makes it possible to externally control an internal source voltage to be applied to an internal circuit mounted in an IC chip without addition of control terminals over a wide range of an external source voltage.

REFERENCES:
patent: 5121007 (1992-06-01), Aizaki
patent: 5321653 (1994-06-01), Suh et al.
patent: 5349559 (1994-09-01), Park et al.
patent: 5396113 (1995-03-01), Park et al.
patent: 5428299 (1995-06-01), Koshikawa
patent: 5656944 (1997-08-01), Choi

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