Semiconductor device incorporating main and stand-by boosted int

Details Semiconductor device incorporating main and stand-by boosted int Semiconductor device incorporating main and stand-by boosted int

1992-12-03

1994-12-27

Clawson, Jr., Joseph E.

Static information storage and retrieval

Powering

Conservation of power

36518909, 36512911, 36523006, G11C 514

Patent

active

053771567

ABSTRACT:
A semiconductor integrated circuit comprises a semiconductor chip, a power supply terminal provided on the semiconductor chip for receiving a voltage from an external power supply source, an internal circuit provided on the semiconductor chip, a power supply circuit provided on the semiconductor chip for transforming an external power supply voltage received from the power supply terminal for supplying a source voltage resulting from the voltage transformation to the internal circuit, and a control circuit provided on the semiconductor chip for controlling the power supply circuit, wherein the control circuit includes external power supply voltage detecting means and/or temperature detecting means and responds to the signal from the external power supply voltage detecting means and/or the temperature detecting means by changing the power supply voltage to the internal circuit to thereby maintain the operating speed of the internal circuit to be constant.

REFERENCES:
patent: 4074148 (1978-02-01), Sato
patent: 4195238 (1980-03-01), Sato
patent: 4691304 (1987-09-01), Hori et al.
patent: 4870618 (1989-09-01), Iwashita
patent: 4879685 (1989-11-01), Takemae
patent: 4901280 (1990-02-01), Patel
patent: 5023835 (1991-06-01), Akimoto et al.
"On-Chip Supply Voltage Conversion System and Its Application to a 4Mb DRAM", Watanabe, Y., Extended Abstracts of the 18th (1986 international) Conference on Solid State Devices and Materials, Aug. 20-22, 1986, pp. 307-310.

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