System pulse latch and shadow pulse latch coupled to output...

Details System pulse latch and shadow pulse latch coupled to output... System pulse latch and shadow pulse latch coupled to output...

2008-05-13

2008-05-13

Trimmings, John P (Department: 2117)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital logic testing

C714S724000, C714S799000, C714S819000, C714S006130, C327S202000, C377S070000

Reexamination Certificate

active

07373572

ABSTRACT:
In one embodiment, an apparatus includes a system pulse latch to generate at least one system latch signal in response to a data input signal and a pulsed system clock signal; a shadow pulse latch to generate at least one shadow latch signal in response to the data input signal and the pulsed system clock signal; and an output joining circuit, coupled to the system pulse latch and the shadow pulse latch, to provide a data output signal in response to the at least one system latch signal and the at least one shadow latch signal.

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Seifert et al., “Radiation-Induced Clock Jitter and Race,” Proceedings of the International Physics Reliability Symposium, IPRS, San Jose, CA, pp. 215-222, Apr. 2005.

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