ICS843034 Datasheet, PDF (13/23 Pages) Integrated Circuit Systems – MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS843034
FEMTOCLOCKS™
MULTI-RATE 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
2V
V_CC ^,
V V _{CCA, CCO_A,}
V_{CCO__B}
LVPECL
V_EE
SCOPE
Qx
nQx
2.8V±0.04V
2V
V_CC^,
V _{V CCA CCO_A,}
V_{CCO__B}
LVPECL
V_EE
SCOPE
Qx
nQx
-1.3V ± 0.165V
-0.5V ± 0.125V
3.3V CORE/3.3V OUTPUT LOAD AC TEST CIRCUIT
FOUTA0/nFOUTA0, FOUTB0/nFOUTB0
1.65V±5%
V_CC^,
V_CCA^, V_{CCO_REF}
LVCMOS
V_EE
-1.65V ± 5%
SCOPE
Qx
3.3V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT
FOUTA0/nFOUTA0, FOUTB0/nFOUTB0
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)
3.3VCORE/3.3V REF_CLK OUTPUT LOAD AC TEST CIRCUIT PERIOD JITTER
nFOUTx
nFOUTA0
FOUTx
nFOUTy
FOUTA0
t _PW
t
PERIOD
FOUTy
t sk(o)
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT SKEW
OUTPUT DUTY CYCLE/OUTPUT PULSE WIDTH/PERIOD
Clock
20%
Outputs
80%
t_R
LVPECL OUTPUT RISE/FALL TIME
843034AY
80%
t_F
V_{SW I N G}
20%
20%
Clock
Outputs
80%
t_R
80%
t_F
20%
LVCMOS OUTPUT RISE/FALL TIME
www.icst.com/products/hiperclocks.html
13
REV. A JULY 25, 2005