Semiconductor integrated circuit device having flip-flops...

Details Semiconductor integrated circuit device having flip-flops... Semiconductor integrated circuit device having flip-flops...

2005-02-22

2005-02-22

Wamsley, Patrick (Department: 2819)

Electronic digital logic circuitry

Clocking or synchronizing of logic stages or gates

C326S096000, C714S726000

Reexamination Certificate

active

06859070

ABSTRACT:
A semiconductor integrated circuit device includes a plurality of flip-flops, each of which has an external input terminal and external output terminal, the flip-flops being cascade-connected by having data output terminals respectively connected to data input terminals of the next-stage flip-flops. A reset signal is input via the external input terminal of the first-stage flip-flop and is sequentially transferred from the external output terminal thereof to the next-stage flip-flops. The reset signal is transferred via a transmission path different from the original data transmission path to reset all of the flip-flops.

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Samuel D. Naffziger, et al. “The Implementation of the Next-Generation 64B Itanium Microprocessor,” 2002 IEEE International Solid-State Circuits Conference, 2002, pp. 344-345.

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