Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Patent
1998-08-14
2000-06-20
Zweizig, Jeffrey
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Synchronizing
H03L 700
Patent
active
060782021
ABSTRACT:
Disclosed are a semiconductor device of which a block having a plurality of portions that operate based on a plurality of clocks can be designed and inspected easily, and a method of designing the semiconductor device. First and second clocks whose frequencies are mutually different are used to generate an enabling signal that is validated only during a short period including a transition edge of the second clock. The enabling signal and first clock are supplied to the second portion. The second portion synthesizes the enabling signal and first clock to substantially generate the second clock. Thus, the second portion is regarded as a portion that operates synchronously with the first clock.
REFERENCES:
patent: 5361290 (1994-11-01), Akiyama
patent: 5528181 (1996-06-01), Suggs
Fujiyama Hiroyuki
Ono Noriaki
Tomatsuri Hideaki
Usui Minoru
Fujitsu Limited
Zweizig Jeffrey
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