Method and apparatus for operating a semiconductor integrated ci

Electricity: power supply or regulation systems – Remote sensing

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307297, 307304, 307 64, G05F 156

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active

040939090

ABSTRACT:
A method and apparatus for operating a smiconductor integrated circuit at minimum power from a voltage source, including deriving a semiconductor process parameter dependent reference voltage within the integrated circuit, comparing the magnitude of the reference voltage and the voltage source and maintaining the magnitude of the voltage source greater than the reference voltage.

REFERENCES:
patent: 3508084 (1970-04-01), Warner, Jr.
patent: 3832644 (1974-08-01), Nagata et al.
patent: 3913026 (1975-10-01), Koehler
patent: 4020367 (1977-04-01), Yamashiro et al.
"Ion-Implanted Comp. MOS Transistors In Low-V Ckts" by Swanson, IEEE J Solid State Ckts vol. SC-7, No. 2, Apr. 1972.
"Two-Switching Regs. for Battery-Powered Systems" by S. W. Billingsley et al., EDN/EEE Feb. 15, 1972, pp. 40-43.
Delco Electronics Appl. Note 42; Dec. 1968 "28 Volt Flyback Switching Reg.".
IBM Tech Disc Bulletin, vol. 17, No. 3, Aug. 1974, pp. 937, 938 relied upon.
Electronic Designs Mar. 1, 1976, pp. 62-64.

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