Semiconductor integrated circuit having power lines separately r

Details Semiconductor integrated circuit having power lines separately r Semiconductor integrated circuit having power lines separately r

1997-01-29

2000-07-11

Cunningham, Terry D.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Integrated structure

H01L 2500

Patent

active

060878959

ABSTRACT:
A semiconductor integrated circuit capable of preventing propagation of noise from an output circuit to an input circuit and limiting inflow of a current caused by a protective circuit for protecting the input circuit has been disclosed. In a semiconductor integrated circuit including an input circuit 11, other circuits 12 and 13 that operate according to an output of the input circuit 11, and a plurality of power supply pins 16, 17, 18, and 19 through which a supply voltage is supplied to the input circuit 11 and other circuits 12 and 13 and to which the same supply voltage is applied, input circuit power lines 20 and 22 over which power is supplied to at least part of the input circuit 11 and general power lines 21 and 23 over which power is supplied to other circuits 12 and 13 are separated from each other. The input circuit power lines 20 and 22 and general power lines 21 and 23 are coupled to different power supply pins 16, 17, 18, and 19.

REFERENCES:
patent: 3643609 (1972-02-01), Maywald et al.
patent: 4656370 (1987-04-01), Kanuma
patent: 4789812 (1988-12-01), Nakamura
patent: 5274280 (1993-12-01), Ito et al.
patent: 5668551 (1997-09-01), Garavan et al.
Baifukan, "Super LSI Memory", 1994, p. 270. (Japanese Language Reference).

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