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參數(shù)資料
| 型號(hào)： | VT73227-S1 |
| 廠商： | Vaishali Semiconductor |
| 英文描述： | VCXO (Voltage-Controlled Crystal Oscillator) 27 MHz 3.3V |
| 中文描述： | 壓控（電壓控制晶體振蕩器）27兆赫3.3 |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 67K |
| 代理商： | VT73227-S1 |
VT73227
2001-04-02
Vaishali Semiconductor 1300 White Oaks Road, Ste. 200 Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063
Page
2
MDST-0006-03
Figure 2. Pin Configuration
Table 1. Pin Description
Name
X1
Pin #
1
Type
Xi
Description
Crystal connection. Connect to a 27 MHz pullable crystal
VDD1
2
P
Core V
DD
. Connect to 3.3V
VIN
3
I
Voltage input to VCXO. Zero to 3.3V signal controls the frequency of the VCXO.
GND2
4
P
Connect to ground.
CLK
5
O
Clock output
VDD2
6
P
Pad driver V
DD
. Connect to 3.3V
GND1
7
P
Connect to ground.
X2
8
Xi
Crystal connection. Connect to a 27 MHz pullable crystal.
Legend: I = Input
O = Output
P = Power supply connection
Xi = Crystal connections.
Table 2. Absolute Maximum Ratings
Parameter
Conditions
Referenced to GND
Min
Typ
Max
Units
V
Supply voltage, V
DD
7
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.
Table 3. Operating Conditions
Parameter
Conditions
Min
Typ
3.3
Max
3.45
Units
V
Operating Voltage, V
DD
3.15
Input High Voltage, V
IH
, X1 pin only
2.5
V
Input Low Voltage, V
IL
, X1 pin only
0.4
V
Operating Temperature
0
70
°C
Input crystal accuracy
±30
ppm
VCXO control voltage, V
IN
0
3.3
V
X1
X2
VDD1
VDD2
VIN
GND2
GND1
CLK
VT73227
8 pin (150 mil) SOIC
2
3
4
5
6
7
8
1
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