Low leakage state retention circuit

Details Low leakage state retention circuit Low leakage state retention circuit

2007-03-30

2009-12-01

Lam, Tuan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

C327S203000, C327S208000, C327S218000

Reexamination Certificate

active

07626434

ABSTRACT:
In general, in one aspect, the disclosure describes an apparatus comprising a low leakage latch to store a state of a circuit during inactive periods. The state is transferred to the low leakage latch upon receipt of an inactive pulse. A buffer is used to receive the state from an output of the low leakage latch and to isolate the state. State restore circuitry is used to restore the state to the circuit when the circuit returns to an active mode. The state restore circuitry is used to receive the isolated state and to restore the state upon receipt of an active pulse.

REFERENCES:
patent: 6492854 (2002-12-01), Ku et al.
patent: 6639827 (2003-10-01), Clark et al.
patent: 6775180 (2004-08-01), Biyani
patent: 6956421 (2005-10-01), Schuelein
patent: 7221205 (2007-05-01), Kinkade et al.
patent: 2004/0051574 (2004-03-01), Ko et al.
patent: 2004/0090256 (2004-05-01), Cho

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