元器件交易网
PRELIMINARY
IntegratedCircuit
Systems, Inc.
CRYSTAL-TO-LVCMOS / LVTTL
FREQUENCY SYNTHESIZER WITH FANOUT BUFFER
TestConditions
Minimum53.125
50TBD
20%to80%
300
50
tPERIOD/2-TBD
tPERIOD/2+TBD
700
Typical
Maximum125
UnitsMHzpspsps%ps
ICS84025
TABLE 5A. AC CHARACTERISTICS, VDD = VDDA = VDDO = 3.3V ± 5%, TA = 0°C TO 70°C
SymbolParameterFOUT
OutputFrequency
Cycle-to-CycleJitter;NOTE2OutputSkew;NOTE1,2OutputRise/FallTimeOutputDutyCycleOutputPulseWidth
tjit(cc)tsk(o)tR/tFodctPW
PLLLockTime1mstLOCK
SeeParameterMeasurementInformationsection.
NOTE1:Definedasskewbetweenoutputsatthesamesupplyvoltageandwithequalloadconditions.MeasuredatVDDO/2.NOTE2:ThisparameterisdefinedinaccordancewithJEDECStandard65.
TABLE 5B. AC CHARACTERISTICS, VDD = VDDA = 3.3V ± 5%, VDDO = 2.5V ± 5%, TA = 0°C TO 70°C
SymbolParameterFOUT
OutputFrequency
Cycle-to-CycleJitter;NOTE2OutputSkew;NOTE1,2OutputRise/FallTimeOutputDutyCycleOutputPulseWidth
tPERIOD/2-TBD
20%to80%
300
50
tPERIOD/2+TBD
TestConditions
Minimum53.125
30TBD
700
Typical
Maximum125
UnitsMHzpspsps%ps
tjit(cc)tsk(o)tR/tFodctPW
PLLLockTime1mstSeeParameterMeasurementInformationsection.
NOTE1:Definedasskewbetweenoutputsatthesamesupplyvoltageandwithequalloadconditions.MeasuredatVDDO/2.NOTE2:ThisparameterisdefinedinaccordancewithJEDECStandard65.
TABLE 5C. AC CHARACTERISTICS, VDD = VDDA = 3.3V ± 5%, VDDO = 1.8V ± 0.15V, TA = 0°C TO 70°C
SymbolParameterFOUT
OutputFrequency
Cycle-to-CycleJitter;NOTE2OutputSkew;NOTE1,2OutputRise/FallTimeOutputDutyCycleOutputPulseWidth
tPERIOD/2-TBD
20%to80%
300
50
tPERIOD/2+TBD
TestConditions
Minimum53.125
30TBD
700
Typical
Maximum125
UnitsMHzpspsps%ps
tjit(cc)tsk(o)tR/tFodctPW
PLLLockTime1mstSeeParameterMeasurementInformationsection.
NOTE1:Definedasskewbetweenoutputsatthesamesupplyvoltageandwithequalloadconditions.MeasuredatVDDO/2.NOTE2:ThisparameterisdefinedinaccordancewithJEDECStandard65.
84025EM
/products/hiperclocks.html
4
REV. A APRIL 16, 2003
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