Semiconductor device

Details Semiconductor device Semiconductor device

2005-08-30

2005-08-30

Le, Thong Q. (Department: 2827)

Static information storage and retrieval

Radiant energy

Semiconductive

C365S226000

Reexamination Certificate

active

06937496

ABSTRACT:
A semiconductor device having a first circuit block supplied with a first operating voltage, a second circuit block supplied with a second operating voltage, a voltage generating circuit for generating a third operating voltage in response to the first operating voltage, and a third circuit block supplied with the third operating voltage. Preferably, the third operating voltage is generated such that the first operating voltage is increased to a fourth operating voltage by a voltage-up converter, and then the fourth operating voltage is dropped to the third operating voltage by a voltage down-converter. Hence, a power supply operating internally stably in spite of use of a relatively fluctuating voltage can be provided even in the case where a power-supply voltage is dropped.

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IEEE ISSCC Digest of Technical Papers, Feb., 1997, pp. 66-67.
IEEE ISSCC Digest of Technical Papers, Feb., 1986, pp. 266-267.
IEICE Transaction on Electron, vol. E75-C, No. 11, Nov. 1992, pp. 1333-1343.

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