Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS84427
CRYSTAL-TO-LVDS
INTEGRATED FREQUENCY SYNTHESIZER/FANOUT BUFFER
PARAMETER MEASUREMENT INFORMATION
3.3V±5%
POWER SUPPLY
+ Float GND -
LVDS
VDD
Qx SCOPE
DC Input LVDS
nQx
out
➤
out
VOS/Δ VOS
3.3V OUTPUT LOAD AC TEST CIRCUIT
OFFSET VOLTAGE SETUP
VDD
DC Input LVDS
out
➤
100
VOD/Δ VOD
out
nQx
Qx
nQy
Qy
t sk(o)
DIFFERENTIAL OUTPUT VOLTAGE SETUP
OUTPUT SKEW
Clock
20%
Outputs
80%
tR
OUTPUT RISE/FALL TIME
84427CM
80%
tF
VOD
20%
nQ0:nQ5
Q0:Q5
t PW
t
PERIOD
odc = t PW x 100%
t PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
www.icst.com/products/hiperclocks.html
6
REV. D NOVEMBER 30, 2005