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ICS8430-71B Datasheet, PDF (7/16 Pages) Integrated Circuit Systems – 700MHZ, LOW JITTER, CRYSTAL INTERFACE / LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS8430B-71
700MHZ, LOW JITTER, CRYSTAL INTERFACE/
LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
2V
VCC,
VCCA, VCCO
LVPECL
VEE
-1.3V ± 0.165V
SCOPE
Qx
nQx
nFOUTx
FOUTx
nFOUTy
FOUTy
t sk(o)
3.3V OUTPUT LOAD AC TEST CIRCUIT
OUTPUT SKEW
VOH
VREF
1σ contains 68.26% of all measurements
VOL
2σ contains 95.4% of all measurements
3σ contains 99.73% of all measurements
4σ contains 99.99366% of all measurements
6σ contains (100-1.973x10-7)% of all measurements
Reference Point
(Trigger Edge)
Histogram
Mean Period
(First edge after trigger)
nFOUTx
FOUTx
tcycle n
➤
tcycle n+1
➤
t jit(cc) = tcycle n –tcycle n+1
1000 Cycles
PERIOD JITTER
CYCLE-TO-CYCLE JITTER
Clock 20%
Outputs
80%
tR
OUTPUT RISE/FALL TIME
8430BY-71
80%
tF
VSW I N G
20%
nFOUTx
FOUTx
t PW
t
PERIOD
odc = t PW x 100%
t PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
www.icst.com/products/hiperclocks.html
7
REV. A SEPTEMBER 20, 2005