Semiconductor chip power supply monitor circuit arrangement

Details Semiconductor chip power supply monitor circuit arrangement Semiconductor chip power supply monitor circuit arrangement

1985-08-30

1987-12-22

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307352, 328127, 330 9, G06G 710, H03F 102, H03K 500

Patent

active

047148438

ABSTRACT:
A circuit arrangement (13) for monitoring power supplies in N-channel CMOS devices, comprising elements for sampling of a bandgap voltage reference quantity (41), comparing the reference quantity to a monitored power supply voltage level (38), and compensating (49) for the offset voltage produced in the comparator element (31) conducting the comparison.

REFERENCES:
patent: 4393351 (1983-07-01), Gregorian et al.
patent: 4404525 (1983-09-01), Amir et al.
patent: 4429282 (1984-01-01), Saari
patent: 4439693 (1984-03-01), Lucas et al.
patent: 4496858 (1985-01-01), Smith
patent: 4578646 (1986-03-01), Maio et al.
"A Precision Curvature-Compensated DMOS Bandgap Reference", Bang-Sup Song, IEE Journal of Solid State Circuits, vol. SC-18, No. 6, Dec. 1983.

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