VITESSE
SEMICONDUCTOR CORPORATION
1.0625 Gb/s Fibre Channel
Dual Repeater / Hub Node
Data Sheet
VSC7140
Figure 5: Pin Diagram
Package Pin Descriptions
INC_VDD
INC_VSS
REFCLK
TEST2
TEST1
RX1+
RX1-
VDD
51
REFSEL
TEST3
SEL1
VSS
VDD
INC_VDD
VSS
VDDA
INC_VSS
VSS
VDD
FAIL1-
FAIL2-
13
15
11
9
7
5
3
1
49
47
45
43
41
39
TX1+
TX1-
37
VDDP
SO1+
35
SO1-
INC_VSS
33
VSS
INC_VSS
31
SO2+
SO2-
29
VDDP
TX2+
27
TX2-
VITESSE
VSC7140QJ
17
19
21
23
25
ERRSEL
INC_VSS
SEL2
RX2-
VSS
VSS
SI2-
INC_VDD
VDD
(TOP VIEW)
NOTE: Heat spreader is not internally connected electrically.
It should not be connected electrically by the user.
Page 8
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VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
RX2+
VDD
HUB
SI2+
VDD
SI1+
VSS
VSS
SI1-
G52180-0, Rev 4.0
10/23/00
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
