ICS9DB202_06 Datasheet, PDF (6/13 Pages) Integrated Device Technology – PCI EXPRESS JITTER ATTENUATOR

ICS9DB202
PCI EXPRESS JITTER ATTENUATOR
PARAMETER MEASUREMENT INFORMATION
3.3V±5%
3.3V±5%
V_DD
V_DDA
HCSL
GND
SCOPE
Qx
nQx
0V
3.3V HCSL OUTPUT LOAD AC TEST CIRCUIT
PCIEXCx
PCIEXTy
PCIEXCx
PCIEXTy
t sk(o)
V_DD
nCLK
V
PP
CLK
GND
Cross Points
V
CMR
DIFFERENTIAL INPUT LEVEL
PCIEXC0,
PCIEXC1
PCIEXT0,
PCIEXT1
tcycle n
➤
tcycle n+1
➤
t jit(cc) = tcycle n –tcycle n+1
1000 Cycles
OUTPUT SKEW
Clock
20%
Outputs
80%
t_R
CYCLE-TO-CYCLE JITTER
80%
t_F
V_{SW I N G}
20%
PCIEXC0,
PCIEXC1
PCIEXT0,
PCIEXT1
t _PW
t
PERIOD
odc = ^{t PW} x 100%
t _PERIOD
HCSL OUTPUT RISE/FALL TIME
IDT^™ / ICS^™ PCI EXPRESS JITTER ATTENUATOR
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
6
ICS9DB202CG REV B JULY 14, 2006