ICS8430-111 Datasheet, PDF (8/16 Pages) Integrated Circuit Systems – 700MHZ, LOW JITTER DIFFERENTIAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS8430-111
700MHZ, LOW JITTER
DIFFERENTIAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
V_CC, V_CCA, V_CCO = 2V
LVPECL
SCOPE
Qx
nQx
V_EE = -1.3V ± 0.165V
3.3V OUTPUT LOAD AC TEST CIRCUIT
V_CC
nCLK
V
PP
CLK
Cross Points
V_EE
DIFFERENTIAL INPUT LEVEL
V
CMR
nFOUTx
FOUTx
nFOUTy
FOUTy
t sk(o)
Clock
20%
Outputs
80%
t_R
80%
t_F
V_{SW I N G}
20%
OUTPUT SKEW
nFOUTx
FOUTx
tcycle n
➤
tcycle n+1
➤
t jit(cc) = tcycle n –tcycle n+1
1000 Cycles
CYCLE-TO-CYCLE JITTER
OUTPUT RISE/FALL TIME
V_OH
V_REF
1σ contains 68.26% of all measurements
V_OL
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)
PERIOD JITTER
nFOUTx
FOUTx
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
8430DY-111
www.icst.com/products/hiperclocks.html
8
REV. F JUNE 1, 2005