VITESSE
SEMICONDUCTOR CORPORATION
Family of Repeater/Retimer and Port
Bypass Circuits for Fibre Channel
Data Sheet
VSC7127/VSC7129
Package Pin Descriptions
Figure 5: Pin Diagram
VDDP2
VDDP3
VSS
O2+
O3+
O2-
O3-
I2+
I3+
35
I2-
43
VSS
VDD
I1-
I1+
VDDP1
O1-
O1+
VSS
I0-
I0+
VSS
11
13
9
7
5
3
1
41
39
37
I3-
33
VSS
VDDA
31
O4+
O4-
29
VSC7127
VSC7129
VDDP4
I4+
27
I4-
VDDP0
25
O0-
O0+
23
15
17
19
21
PIN23*
PIN20*
PIN21*
REFCLK
* See Tables 3 and 4 for Pin Differences and Description
Table 3: VSC7124/VSC7127/VSC7129 Pin Differences
Pin 12
VSC7124
VSC7127
VSC7129
N/C
MODE
MODE
Pin 13
N/C
REFCLK
REFCLK
Pin 32
VDD
VDDA
VDDA
Pin 19
VSS
VSS
SIGDET
Pin 20
N/C
SIGDET
VDD
Pin 21
VDD
VDD
SEL5
PIN 19*
Pin 22
N/C
SEL5
TRST
PIN22*
MODE
SEL1
SEL2
SEL0
SEL3
SEL4
Pin 23
N/C
TRST
VSS
Comment
Provided for reference only
(1)
Compatible with HDMP-0451
Compatible with HDMP-0452
NOTE: (1) The VSC7124 is a 5 PBC device similar to the VSC7127/VSC7129 without the FibreTimer™ Repeater/Retimer functionality.
Page 8
©
VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52298-0, Rev 4.3
05/01/01
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
