Method and apparatus for a configurable latch

Details Method and apparatus for a configurable latch Method and apparatus for a configurable latch

2007-06-19

2007-06-19

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

C327S201000, C327S202000

Reexamination Certificate

active

11158523

ABSTRACT:
A configurable latch comprises a dual master stages arranged in parallel to share a single output node. The configurable latch provides a single slave stage at the single output node to be shared between the two master stages. Pass gates controlled by various phases of an input clock, controls access to the slave stage by the two master stages. Additional control is added to configure the latch for positive edge triggered and negative edge triggered flip-flop functionality as well as level sensitive functionality. Chip enable, set, and reset are also provided for additional control.

REFERENCES:
patent: 5689517 (1997-11-01), Ruparel
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patent: 6181179 (2001-01-01), Kanba
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patent: 6389566 (2002-05-01), Wagner et al.
patent: 6456113 (2002-09-01), Kanba
patent: 6720813 (2004-04-01), Yee et al.
patent: 6873197 (2005-03-01), Kanba

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