ASIC low power activity detector to change threshold voltage

Details ASIC low power activity detector to change threshold voltage ASIC low power activity detector to change threshold voltage

1998-09-24

2000-08-01

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327535, 326 31, 326 33, H03K 301

Patent

active

060972416

ABSTRACT:
An integrated circuit such as an ASIC device having partitioned functional units with independent threshold voltage control. A first partition is always operated in a normal mode, while subsequent partitions are maintained in a standby mode until a transition is detected at the input of the first partition. The subsequent partitions are switched to the normal mode by lowering the body voltage applied to the devices with each partition. A pulse stretcher is used to keep a partition in a normal mode for a predetermined period of time after the transition is detected.

REFERENCES:
patent: 5486774 (1996-01-01), Douseki et al.
patent: 5589783 (1996-12-01), McClure
patent: 5610533 (1997-03-01), Arimoto et al.
patent: 5630142 (1997-05-01), Crump et al.

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