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ICS874003 Datasheet, PDF (5/12 Pages) Integrated Circuit Systems – PCI EXPRESS JITTER ATTENUATOR | |||
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Integrated
Circuit
Systems, Inc.
ICS874003
PCI EXPRESS
JITTER ATTENUATOR
PARAMETER MEASUREMENT INFORMATION
VDD,
VDDO VDDA
VDD
3.3V±5%
POWER SUPPLY
+ Float GNDâ
LVDS
Qx SCOPE
nQx
nCLK
V
PP
CLK
GND
Cross Points
V
CMR
3.3V LVDS OUTPUT LOAD AC TEST CIRCUIT
DIFFERENTIAL INPUT LEVEL
nQAx,
nQB0
QAx,
QB0
nQx
Qx
tcycle n
â¤
tcycle n+1
â¤
nQy
tjit(cc) = tcycle n âtcycle n+1
Qy
1000 Cycles
t sk(o)
CYCLE-TO-CYCLE JITTER
Clock
20%
Outputs
80%
tR
80%
tF
OUTPUT SKEW
VSW I N G
20%
nQAx,
nQB0
QAx,
QB0
t PW
t
PERIOD
odc = t PW x 100%
t PERIOD
OUTPUT RISE/FALL TIME
VDD
DC Input LVDS
out
â¤
100
VOD/Î VOD
out
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
VDD
out
DC Input LVDS
out
â¤
VOS/Î VOS
DIFFERENTIAL OUTPUT VOLTAGE SETUP
874003AG
OFFSET VOLTAGE SETUP
www.icst.com/products/hiperclocks.html
5
REV. A JANUARY 25, 2006
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