Supply switch circuit for implementing a switchable on-chip...

Details Supply switch circuit for implementing a switchable on-chip... Supply switch circuit for implementing a switchable on-chip...

2007-07-10

2007-07-10

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C307S130000, C327S543000

Reexamination Certificate

active

10877239

ABSTRACT:
A supply switch circuit is provided for implementing a switchable on-chip high voltage supply. A stack of transistors is coupled between an on-chip high voltage supply and a circuit node. A control signal is coupled to the stack of transistors for selectively switching the high voltage supply to the circuit node. The control signal is coupled to a voltage divider included with the stack of transistors to limit a maximum node voltage within the stack of transistors.

REFERENCES:
patent: 5610547 (1997-03-01), Koyama et al.
patent: 7138968 (2006-11-01), Kasai et al.
patent: 2002/0043991 (2002-04-01), Nishitoba
patent: 2004/0104433 (2004-06-01), Ieong et al.

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