VITESSE
SEMICONDUCTOR CORPORATION
SONET/SDH 3.125Gb/s
Laser Diode Driver with Automatic Power Control
Preliminary Data Sheet
VSC7938
Package Pin Descriptions
Figure 2: Pin Diagram
GND
1
GND
2
VCC
3
DATA+
4
DATA-
5
VCC
6
GND
7
VCC
8
CLK+
9
CLK- 10
VCC 11
GND 12
VSC7938
36 GND
35 MD
34 GND
33 GND
32 VCC
31 NC
30 OUT-
29 OUT+
28 NC
27 VCC
26 NC
25 BIAS
Page 6
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52349-0, Rev 3.0
01/20/01