ICS874005-04 Datasheet, PDF (5/13 Pages) Integrated Device Technology – PCI EXPRESS™ JITTER ATTENUATOR

ICS874005-04
PCI EXPRESS™ JITTER ATTENUATOR
PARAMETER MEASUREMENT INFORMATION
3.3V±5%
POWER SUPPLY
+ Float GND –
V_DD,
V
DDO
V_DDA
LVDS
SCOPE
Qx
nQx
V_DD
nCLK
V
PP
CLK
GND
Cross Points
V
CMR
3.3V LVDS OUTPUT LOAD AC TEST CIRCUIT
nQA0, nQA1
nQB0:nQB2
QA0, QA1
QB0:QB2
tcycle n
➤
tcycle n+1
➤
tjit(cc) = tcycle n – tcycle n+1
1000 Cycles
DIFFERENTIAL INPUT LEVEL
nQx
Qx
nQy
Qy
t sk(o)
CYCLE-TO-CYCLE JITTER
nQx
Qx
nQy
Qy
t sk(b)
BANK SKEW
IDT^™ / ICS^™ PCI EXPRESS™ JITTER ATTENUATOR
OUTPUT SKEW
nQA0, nQA1
nQB0:nQB2
QA0, QA1
QB0:QB2
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
5
ICS874005AG-04 REV. A JULY 29, 2008