813N252DI-02 Datasheet, PDF (2/23 Pages) Integrated Device Technology – Jitter Attenuator & FemtoClock NG Multiplier

Block Diagram
PDSEL_[2:0]
CLK_SEL
Pullup
Pulldown
CLK0
nCLK0
Pulldown
Pullup /
Pulldown
CLK1
nCLK1
Pulldown
Pullup /
Pulldown
3
0
÷P
1
Phase
Detector
+
Charge
Pump
÷M
813N252DI-02 DATA SHEET
27MHz
Xtal
Osc.
PD
+
LF
DIGITAL
VCXO
FemtoClock NG
VCO
Fractional
Feedback
Divider
A / D Control
Block
2
Pulldown
÷NA
ODASEL_[1:0]
QA
nQA
÷NB
2
Pulldown
QB
nQB
ODBSEL_[1:0]
*** Dashed lines indicates external components
REVISION 1 08/14/15
2
JITTER ATTENUATOR & FEMTOCLOCK NG^® MULTIPLIER