ICS874003-02 Datasheet, PDF (5/14 Pages) Integrated Device Technology – PCI EXPRESS™ JITTER ATTENUATOR

ICS874003-02
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
DIFFERENTIAL INPUT LEVEL
nQA0, nQA1,
nQB0
QA0, QA1,
QB0
tcycle n
➤
tcycle n+1
➤
tjit(cc) = tcycle n –tcycle n+1
1000 Cycles
nQx
Qx
nQy
Qy
t sk(o)
CYCLE-TO-CYCLE JITTER
nQXx
QXx
nQXy
QXy
t sk(b)
Where X = A or B
BANK SKEW
IDT^™ / ICS^™ PCI EXPRESS™ JITTER ATTENUATOR
OUTPUT SKEW
nQA0, nQA1,
nQB0
QA0, QA1,
QB0
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
5
ICS874003AG-02 REV A AUGUST 29, 2006