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| XRT8000_06 Datasheet, PDF (2/24 Pages) Exar Corporation – Clock Synchronizer/Adapter for Communications | |||
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XRT8000
BLOCK DIAGRAM
FIN
Input
Divider P
VCC
R
100K
R
100K
SCLK
CSB
SDI
SDO
MSB
Serial
Interface
Analog
PhaseLocked
Loop
Feedback
Divider M
M2
Post
Divider
Q
Div.
By
8
Driver
CLK2
Q2
Lock
Detector
DIV/8_EN
PLL 2
LOCKDET
SYNC
Analog
PhaseLocked
Loop
Post
Divider
Q
Div.
By
8
Feedback
Divider M
M2 Q2
DIV/8_EN
Mode and Frequency Select Control
Driver
CLK1
PLL 1
Figure 2. Block Diagram
Rev. 1.11
2
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