
Si570/Si571
20
Rev. 0.31
6. Si571 (VCXO) Pin Descriptions
Table 14. Si571 Pin Descriptions
Pin
Name
Type
Function
1
VC
Analog Input
Control Voltage
2
OE
Input
Output Enable:
3
GND
Ground
Electrical and Case Ground
4
CLK+
Output
Oscillator Output
5
CLK–
(N/A for CMOS)
Output
Complementary Output
(N/C for CMOS)
6
VDD
Power
Power Supply Voltage
7
SDA
Bidirectional
Open Drain
I2C Serial Data
8
SCL
Input
I2C Serial Clock
(Top View)
1
2
3
6
5
4
VC
GND
OE
VDD
CLK+
CLK–
SDA
SCL
8
7