mk3721 Integrated Device Technology, mk3721 Datasheet - Page 2

• Manufacturer Part Number: mk3721
• Description: Low Cost 16.2 To 28 Mhz 3.3 Volt Vcxo
• Manufacturer: Integrated Device Technology

Pin Assignment
Pin Descriptions
IDT™ / ICS™ LOW COST 16.2 TO 28 MHZ 3.3 VOLT VCXO
MK3721
LOW COST 16.2 TO 28 MHZ 3.3 VOLT VCXO
G N D
V D D
V I N
X 1
Number
Pin
1
2
3
4
5
6
7
8
8 - P i n ( 1 5 0 m i l ) S O I C
1
2
3
4
M K 3 7 2 1 D
M K 3 7 2 1 S
REFOUT
Name
GND
VDD
Pin
VIN
DC
DC
X2
XI
8
7
6
5
Output
Power
Power
Type
Input
Input
Input
Pin
--
--
X 2
D C
R E F O U T
D C
Crystal connection. Connect to the external pullable crystal.
Connect to +3.3 V (0.01µf decoupling capacitor recommended).
Voltage input to VCXO. Zero to 3.3 V signal which controls the
VCXO frequency.
Connect to ground.
Do not connect to this pin.
VCXO CMOS level clock output matches the nominal frequency of
the crystal.
Do not connect anything to this pin.
Crystal connection. Connect to a pullable 16.2 to 28 MHz crystal.
2
Pin Description
MK3721
REV E 103003
VCXO