Apparatus and method for masking a clock signal

Details Apparatus and method for masking a clock signal Apparatus and method for masking a clock signal

2011-07-05

2011-07-05

Lee, Thomas (Department: 2116)

Electrical computers and digital processing systems: support

Clock control of data processing system, component, or data...

C713S601000

Reexamination Certificate

active

07975163

ABSTRACT:
A system and method are disclosed for masking a clock input from a clock line when the clock line is not being driven by a clock source. The clock mask is triggered by a clock cycle from the clock source. In one version, a memory controller configures a masking circuit to either allow a clock signal to the clock input or to mask the clock input from a bidirectional clock bus. The masking circuit may comprise a storage element and a gate, as an example.

REFERENCES:
patent: 4651334 (1987-03-01), Hayashi
patent: 5018168 (1991-05-01), Matsuoka
patent: 6756827 (2004-06-01), Konuk et al.
patent: 7274240 (2007-09-01), Siegler et al.

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