Single current source current generating circit for periodically

Details Single current source current generating circit for periodically Single current source current generating circit for periodically

1996-06-24

1998-01-13

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327404, 327545, G05F 110

Patent

active

057083886

ABSTRACT:
A semiconductor chip incorporating a current generating circuit that will both power-down selected circuitry during inactive or standby periods and yet maintain a bias current to other parts of the chip. More specifically, the current generating circuit has output lines for providing output currents that mirror the current source during chip power-on operation periods. During chip power-down operation periods, the current generating circuit uses a current bias generator to supply current only to circuits needing to be operational during a partial chip operational mode.

REFERENCES:
patent: 4808848 (1989-02-01), Miller
patent: 5120991 (1992-06-01), Takahashi
patent: 5140183 (1992-08-01), Takenaka
patent: 5149994 (1992-09-01), Neu
patent: 5162666 (1992-11-01), Tran
patent: 5339078 (1994-08-01), Vernon
patent: 5420528 (1995-05-01), Shigehara
patent: 5488321 (1996-01-01), Johnson
patent: 5497117 (1996-03-01), Nakajima et al.

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