ICS844004I-01 Datasheet, PDF (6/12 Pages) Integrated Circuit Systems – FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER

Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS844004I-01
FEMTOCLOCKS™ CRYSTAL-TO-
LVDS FREQUENCY SYNTHESIZER
PARAMETER MEASUREMENT INFORMATION
3.3V±5%
POWER SUPPLY
+ Float GND -
LVDS
Qx ^SCOPE
nQx
2.5V±5%
POWER SUPPLY
+ Float GND -
LVDS
Qx ^SCOPE
nQx
3.3V CORE/3.3V OUTPUT LOAD AC TEST CIRCUIT
2.5V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT
nQx
Qx
nQy
Qy
t sk(o)
OUTPUT SKEW
TEST_CLK
nQ0:nQ3
Q0:Q3
t_PD
PROPAGATION DELAY
Phase Noise Plot
Phase Noise Mask
nQ0:nQ3
Q0:Q3
f₁ ^{Offset Frequency} f₂
RMS Jitter = Area Under the Masked Phase Noise Plot
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
RMS PHASE JITTER
844004AGI-01
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
www.icst.com/products/hiperclocks.html
REV. A JUNE 15, 2005
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