SI550 Datasheet, PDF (7/12 Pages) Silicon Laboratories – VOLTAGE-CONTROLLED CRYSTAL OSCILLATOR (VCXO) 10 MHZ TO 1.4 GHZ

2. Pin Descriptions
(Top View)
V_{C 1}
OE 2
GND 3
6
V_DD
5 CLK–
4 CLK+
Si550
Table 10. Si550 Pin Descriptions
Pin
Name
Type
1
V_C
Analog Input
2
OE*
Input
3
GND
Ground
4
CLK+
Output
5
CLK–
(N/A for CMOS)
Output
6
V_DD
Power
*Note: OE includes 17 kΩ pullup resistor to V_DD.
Function
Control Voltage
Output Enable:
0 = clock output disabled (outputs tri-stated)
1 = clock output enabled
Electrical and Case Ground
Oscillator Output
Complementary Output
(N/C for CMOS)
Power Supply Voltage
Preliminary Rev. 0.3
7