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4.17.1ClockElectricalData/Timing
TMS320C6727,TMS320C6726,TMS320C6722
Floating-PointDigitalSignalProcessors
SPRS268E–MAY2005–REVISEDJANUARY2007
Table4-39assumestestingoverrecommendedoperatingconditions.
Table4-39.CLKINTimingRequirements
NO.MINMAXUNIT
1f
osc
Oscillatorfrequencyrange(OSCIN/OSCOUT)1225MHz
2t
c(CLKIN)
Cycletime,externalclockdrivenonCLKIN20ns
3t
w(CLKINH)
Pulsewidth,CLKINhigh0.4t
c(CLKIN)
ns
4t
w(CLKINL)
Pulsewidth,CLKINlow0.4t
c(CLKIN)
ns
5t
t(CLKIN)
Transitiontime,CLKIN5ns
6f
PLL
FrequencyrangeofPLLinput1250MHz
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