VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC7940
Table 4: Pad Coordinates
Signal
Name
VCC1
DATA+
DATA-
VCC1
GND1
VCC1
CLK+
CLK-
VCC1
GND1
LATCH
ENABLE
DISABLE
GND1
BIASMON
MODMON
FAIL
GND4
PB_GND
APCFILT
GND4
VCC4
BIAS
PB_GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
(Pin 14)
(Pin 15)
(Pin 16)
(Pin 17)
(Pin 11)
(Pin 12)
(Pin 13)
(Pin 8)
(Pin 9)
(Pin 10)
(Pin 5)
(Pin 6)
(Pin 7)
SONET/SDH 3.125Gb/s
Laser Diode Driver with Automatic Power Control
Pad
No.
(Pin 1)
(Pin 2)
(Pin 3)
(Pin 4)
Coordinates (µm)
X
1211.025
1096.025
981.025
866.025
751.025
636.025
521.025
406.025
291.025
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
291.025
Y
1995.05
1995.05
1995.05
1995.05
1995.05
1995.05
1995.05
1995.05
1995.05
1784.975
1669.975
1554.975
1439.975
1324.975
1209.975
1094.975
979.975
864.975
749.975
634.975
519.975
404.975
289.975
80.95
Signal
Name
VCC4
DB_OUT+
OUT+
OUT–
DB_OUT–
VCC4
GND4
GND3
MD
GND3
VCC3
CAPC
PB_GND
GND3
PB_GND
GND2
RESERVED
APCSET
GND2
MODSET
BIASMAX
VCC2
GND2
GND1
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Pad
No.
(Pin 18)
(Pin 19)
(Pin 20)
(Pin 21)
(Pin 22)
(Pin 23)
(Pin 24)
(Pin 25)
(Pin 26)
(Pin 27)
Coordinates (µm)
X
406.025
521.025
636.025
751.025
866.025
981.025
1096.025
1211.025
1326.025
1535.05
1535.05
1535.05
1535.05
1535.05
1535.05
1535.05
Y
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
80.95
289.975
404.975
519.975
634.975
749.975
864.975
979.975
1094.975
1209.975
1324.975
1439.975
1554.975
1669.975
1784.975
1995.05
(Pin 28)
(Pin 29)
(Pin 30)
(Pin 31)
(Pin 32)
1535.05
1535.05
1535.05
1535.05
1535.05
1535.05
1535.05
1336.025
G52357-0, Rev 3.2
05/11/01
©
VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 5
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
