Semiconductor integrated circuit free from through current due t

Details Semiconductor integrated circuit free from through current due t Semiconductor integrated circuit free from through current due t

1995-12-20

1997-03-11

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

327384, 365226, 36518911, H03K 1724, H03K 1716

Patent

active

056105444

ABSTRACT:
A semiconductor integrated circuit includes a first power system element group having an internal circuit for providing an output signal, and a second power system element group for receiving the output signal. An independently activated and deactivated power source potential is supplied to each of the first and second power system groups. In one embodiment of the invention, a fixing circuit maintains the level of the output signal from the internal circuit when the power source input potential to the first group is lowered or turned off. As a result, through currents in the nature of transitional large currents are reduced in the internal circuit elements of the second group.

REFERENCES:
patent: 4914316 (1990-04-01), Rossi et al.
patent: 5241508 (1993-08-01), Berenguel et al.
patent: 5291454 (1994-03-01), Yamasaki et al.
patent: 5384747 (1995-01-01), Clohset
patent: 5396113 (1995-03-01), Park et al.
patent: 5497112 (1996-03-01), Hoang

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