
ICS874001AGI-02 REVISION A AUGUST 30, 2010
2
2010 Integrated Device Technology, Inc.
ICS74001I-02 Data Sheet
PCI EXPRESS JITTER ATTENUATOR
Block Diagram
Phase
Detector
VCO
490 - 640MHz
Output Divider
0 0 ÷5
0 1 ÷4
1 0 ÷2 (default)
1 1 ÷1
÷5
0
1
Internal Feedback
Q
nQ
PLL_SEL
BW_SEL
CLK
nCLK
F_SEL[1:0]
MR
OE
Pulldown
Pullup
Pullup/Pulldown
2
0 = 2MHz
1 = 3MHz