PRELIMINARY INFORMATION
ICS3726-12
H
IGH
P
ERFORMANCE
VCXO
Pin Assignment
X1
NC
VI N
GND
1
2
3
4
I CS37 26- 12
8 - P i n ( 1 5 0 mi l ) S OI C
8
7
6
5
X2
NC
VDD
REFOUT
Pin Descriptions
Pin
Number
1
2
3
4
5
6
7
8
Pin
Name
X1
NC
VIN
GND
REFOUT
VDD
NC
X2
Pin
Type
Input
—
Input
Power
Output
Power
—
Input
Do connet to this pin.
Pin Description
Crystal connection. Connect to the external pullable crystal.
Voltage input to VCXO. Zero to VDD signal which controls the
VCXO frequency.
Connect to ground.
VCXO CMOS level clock output matches the nominal frequency of
the crystal.
Connect to +3.3 V (0.01
µf
decoupling capacitor recommended).
No connect. Do not connect this pin to anything.
Crystal connection. Connect to a pullable 20 to 52 MHz crystal.
MDS 3726-12 B
In te grated Circuit Systems
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