SI590 Datasheet, PDF (5/12 Pages) Silicon Laboratories – 1 ps MAX JITTER CRYSTAL OSCILLATOR

2. Pin Descriptions
(Top View)
Si590/591
NC 1
6 VDD
OE 1
6 VDD
OE 1
6 VDD
OE 2
5 CLK–
NC 2
5 NC
NC 2
5 CLK–
GND 3
4 CLK+
GND 3
4 CLK
GND 3
4 CLK+
Si590
LVDS/LVPECL/CML
Si590
CMOS
Si591
LVDS/LVPECL/CML
Table 8. Pinout for Si590 Series
Pin Symbol
LVDS/LVPECL/CML Function
CMOS Function
1
OE*
No connection
Make no external connection to this pin
Output enable
2
OE*
Output enable
No connection
Make no external connection to this pin
3
GND
Electrical and Case Ground
Electrical and Case Ground
4
CLK+
Oscillator Output
Oscillator Output
5
CLK–
Complementary Output
No connection
Make no external connection to this pin
6
V_DD
Power Supply Voltage
Power Supply Voltage
*Note: OE pin includes an internal 17 k pullup resistor to V_DD for output enable active high or a 17 k pulldown resistor to
GND for output enable active low. See 3. "Ordering Information" on page 6.
Table 9. Pinout for Si591 Series
Pin
Symbol
LVDS/LVPECL/CML Function
1
OE*
Output enable
2
No connection
Make no external connection to this pin
No connection
Make no external connection to this pin
3
GND
Electrical and Case Ground
4
CLK+
Oscillator Output
5
CLK–
Complementary output
6
V_DD
Power Supply Voltage
*Note: OE pin includes an internal 17 k pullup resistor to V_DD for output enable active high or a 17 k pulldown resistor to
GND for output enable active low. See 3. "Ordering Information" on page 6.
Preliminary Rev. 0.25
5