Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1998-09-16
2000-04-11
Wells, Kenneth B.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327374, 326 17, G05F 110
Patent
active
060492457
ABSTRACT:
A power reduction circuit is provided that includes a first switching device between a first operating voltage terminal and a second operating voltage terminal being controlled by a first active signal. A second switching device is between a third operating voltage terminal and a fourth operating voltage terminal is controlled by the inverse active signal. A signal transfer gate logic coupled between the second and the fourth operating voltage terminals to selectively output one of the second and the fourth operating voltages. A first voltage drop device is between the first and the second operating voltage terminals and is selectively activated by a first control device according to one of a first and a second operating modes. A second voltage drop device is between the third and the fourth operating voltage terminals and is selectively activated by a second control device according to one of the first and the second operating modes. The first and second voltage drop devices have predetermined turn-on resistances. The power reduction circuit provides for each mode and a high-speed operation for switching from the standby mode to the active mode.
REFERENCES:
patent: 5274601 (1993-12-01), Kawahara et al.
patent: 5583457 (1996-12-01), Horiguchi et al.
patent: 5614847 (1997-03-01), Kawahara et al.
patent: 5781062 (1998-07-01), Mashiko et al.
patent: 5821769 (1998-10-01), Douseki
patent: 5828235 (1998-10-01), Horiguchi et al.
Rah Hae-Young
Son Joo-Hiuk
LG Semicon Co. Ltd.
Nguyen Hai L.
Wells Kenneth B.
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