
84320AY-01
www.idt.com
REV. D JULY 26, 2010
8
ICS84320-01
780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
LVPECL FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
PERIOD JITTER
OUTPUT SKEW
3.3V OUTPUT LOAD AC TEST CIRCUIT
SCOPE
Qx
nQx
LVPECL
2V
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
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
-1.3V ± 0.165V
tsk(o)
nFOUTx
FOUTx
nFOUTy
FOUTy
Clock
Outputs
20%
80%
20%
tR
t F
VSWING
Pulse Width
t
PERIOD
t
PW
t
PERIOD
odc =
FOUTx
nFOUTx
V
CC,
V
CCO
V
CCA
2V
V
EE