![](http://datasheet.mmic.net.cn/390000/T73327_datasheet_16836382/T73327_2.png)
T73327/T73327A/T73327B
Figure 2. Pin Configuration
Preliminary Information
T73327/73327A/73327BPI
Page
2
Rev J, January 14, 2005
8-pin SOIC/MSOP
8-pin SOIC/MSOP
8-pin SOIC/MSOP
X1
X2
X1
X2
X1
X2
1
8
1
8
1
8
NC
NC
GND
V
DD
**
NC
V
DD
2
7
2
7
2
7
T73327A
T73327B
T73327
V
DD
CLK
V
IN
NC**
V
IN
V
IN
3
6
3
6
3
6
GND
GND
GND
CLK
CLK
NC
4
5
4
5
4
5
8-pin SOIC/MSOP
(See pages 4 & 5
for package outlines
&
ordering information)
Table 1. Pin Description
Name
Pin No.
73327A
Type
Description
73327
73327B
X1
1
1
1
Xi
Crystal connection. Connect to a 15 MHz - 36MHz pullable crystal
V
DD
**
2**
6
2
P
This pin can alternately be used to connect
V
DD
instead of pin 6 or left
unconnected (for T73327 only).
V
IN
3
3
3
I
Tuning control input. Zero to +3.3V signal controls the frequency of the
VCXO.
GND
4, 7
4
4
P
Connect to ground.
CLK
5
5
6
O
Clock output
NC**
6**
-
5
NC
This pin can alternately be used to connect
V
DD
instead of pin 2 or left
unconnected (for T73327 only).
NC
-
2, 7
7
NC
Do not connect
X2
8
8
8
Xi
Crystal connection. Connect to a 15 MHz – 36 MHz pullable crystal.
Legend:
I = Input
O = Output
P = Power supply connection
**Note
:
On the T73327 only, both pin 2 and pin 6 are internally connected to V
DD
. Either pin or both can safely be connected to
V
DD
without damaging the part. Alternately, at the user’s option, one pin may be used for V
DD
with the other pin being left
unconnected (NC).
NC = No connection
Xi = Crystal connections
Table 2. Absolute Maximum Ratings
Parameter
Conditions
Referenced to GND
Min
Typ
Max
7
Units
V
Supply voltage, V
DD
Inputs and Clock Outputs
Referenced to GND
-0.5
VDD+0.5
V
Soldering Temperature
Max of 10 seconds
+260
°C
Storage temperature
-65
+150
°C
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These
ratings are stress specifications only and correct functional operation of the device at these or any other conditions
above those listed in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect product reliability.
TLSI Incorporated, 770 Park Avenue
,
Huntington NY 11743
(631) 755-7005
Fax 631-755-7626
www.tlsi.com