TUNABLE DELAY CELL APPARATUS
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United States of America Patent
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Issued Date -
Jun 7, 2012
app pub date -
Dec 1, 2011
filing date -
Dec 2, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A tunable delay cell (TDC) is disclosed, the TDC is applied to power gating circuit design, and the TDC is connected with control unit. The TDC comprises multiplexer, delay unit, clock signal input line, control signal line, power source terminal and combinational circuit. The signal provided by the control signal line can control the clock signal provided by the clock signal input line whether to be delayed a predetermined time by the delay unit or not. The control unit controls the combinational circuit to be turned off to make the TDC stop working.
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