IDT / ICS 700MHZ, 3.3V LVPECL FREQUENCY SYNTHESIZER
7
ICS8430B-71 REV A NOVEMBER 20, 2006
ICS8430B-71
700MHZ, CRYSTAL INTERFACE/LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
PERIOD JITTER
OUTPUT SKEW
3.3V OUTPUT LOAD AC TEST CIRCUIT
SCOPE
Qx
nQx
LVPECL
V
EE
CYCLE-TO-CYCLE JITTER
tjit(cc) = tcycle n –tcycle n+1
1000 Cycles
tcycle n
tcycle n+1
OUTPUT RISE/FALL TIME
VOH
VREF
VOL
Mean Period
(First edge after trigger)
Reference Point
(Trigger Edge)
1
σ contains 68.26% of all measurements
2
σ contains 95.4% of all measurements
3
σ contains 99.73% of all measurements
4
σ contains 99.99366% of all measurements
6
σ contains (100-1.973x10-7)% of all measurements
Histogram
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
tsk(o)
nFOUTx
FOUTx
nFOUTy
FOUTy
nFOUTx
FOUTx
Clock
Outputs
20%
80%
20%
tR
t F
VSWING
t
PW
t
PERIOD
t
PW
t
PERIOD
odc =
x 100%
FOUTx
nFOUTx
2V
-1.3V ± 0.165V
V
CC,
V
CCA,
V
CCO