Semiconductor integrated circuit device preventing logic...

Electrical computers and digital processing systems: support – Clock – pulse – or timing signal generation or analysis

Reexamination Certificate

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C713S600000

Reexamination Certificate

active

07818602

ABSTRACT:
A semiconductor integrated circuit device is disclosed. The semiconductor integrated circuit device includes a first circuit whose output never or seldom changes when the output from an Enable generator is off, a second circuit whose output frequently changes, an input controller which receives the respective outputs from the second circuit and the Enable generator and passes through the input from the second circuit only when the output from the Enable generator is on, a combination circuit which receives the respective outputs from the first circuit and the input controller, and a memory which receives the output from the combination circuit and is driven by the output from the clock controller.

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Nithya Raghavan, et al., “Automatic insertion of Gated Clocks at Register Transfer Level”, Proceedings of the Twelfth International Conference on VLSI Design, 1999, 7 Pages.
Vivek Tiwari, et al., Guarded Evaluation: Pushing Power Management to Logic Synthesis/Design, IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 17, No. 10, Oct. 1998, pp. 1051-1060.

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