VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
SONET/SDH 10.7Gb/s
Electroabsorption Modulator/Laser Diode Driver
VSC7991
Table 5: Pad Coordinates
Coordinates (µm)
Coordinates (µm)
Pad
Number
Signal
Name
Pad
Number
Signal
Name
X
Y
X
Y
1
2
GND
NDIN
GND
GND
GND
GND
GND
DIN
GND
NC
2296
2296
2296
2296
2296
2296
2296
2296
2296
2296
2146
1996
1846
1696
1546
1396
1246
1027
808
1546
1396
1246
1061.5
877
692.5
508
358
208
58
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
GND
NDOUT
GND
GND
GND
GND
GND
DOUT
GND
IB
58
58
208
358
3
58
508
4
58
692.5
877
5
58
6
58
1061.5
1246
1396
1546
1696
1696
1696
1696
1696
1696
1696
1696
1696
1696
1696
1696
1696
1696
1696
7
58
8
58
9
58
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
58
GND
GND
VDCC
VSS
VSS
VSS
VSS
VIP
58
IB
208
358
508
658
808
958
1108
1258
1408
1558
1708
1858
2008
2158
58
GND
GND
GND
GND
GND
GND
VSS
58
58
58
58
58
58
GND
GND
IP
58
VSS
658
58
VSS
508
58
VSS
IP
358
58
GND
GND
GND
IBN
208
58
IBN
58
58
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52321-0, Rev 2.3
02/26/01
Page 5
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
