vsc7124 Vitesse Semiconductor Corp, vsc7124 Datasheet - Page 5

• Manufacturer Part Number: vsc7124
• Description: Quad Port Bypass Circuit Semiconductor Corporation
• Manufacturer: Vitesse Semiconductor Corp

VSC7124
G52293-0, Rev 2.3
05/07/01
Advance Product Information
Package Pin Descriptions
Table 1: Pin Identifications
1, 8, 11, 19, 33, 39
12, 13, 20, 22, 23
35, 34, 28, 27
38, 37, 31, 30
4, 3, 41, 40
7, 6, 44, 43
2, 21, 32
15, 16,
Pin #
17, 18
24, 25
10, 9
14
42
36
29
26
5
VDDP1
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
VDD
O1+
VSS
VSS
VSS
I1+
O1-
I0+
I1-
I0-
O1+, O1-, O2+, O2-
O3+, O3-, O4+, O4-
Tel: (800) VITESSE • FAX: [phone] • Email: [e-mail]
I1+, I1-, I2+, I2-
I3+, I3-, I4+, I4-
SEL1, SEL2
SEL3, SEL4
O0+, O0-
I0+, I 0-
VDDP1
VDDP2
VDDP3
VDDP4
VDDP0
Name
SEL0
VDD
VSS
N/C
VITESSE
SEMICONDUCTOR CORPORATION
1
3
5
7
9
11
13
43
Figure 3: Pin Diagram
Internet: www.vitesse.com
15
41
INPUT - Differential, Internally Biased to V
Ix+/Ix- is the serial input to PBCx.
INPUT - TTL
Port Bypass Mux SELect lines. A HIGH selects Ix. A LOW selects the
output of the previous internal device.
OUTPUT - Differential
Ox+/Ox- is the serial output from PBCx.
Digital Logic Power Supply.
Power Supply (3.3V) for O1+/-. If unused, connect to VSS.
Power Supply (3.3V) for O2+/-. If unused, connect to VSS.
Power Supply (3.3V) for O3+/-. If unused, connect to VSS.
Power Supply (3.3V) for O4+/-. If unused, connect to VSS.
Power Supply (3.3V) for O0+/-. If unused, connect to VSS
Not Connected
Ground
VSC7124
17
39
19
37
21
35
33
31
29
27
25
23
Description
Quad Port Bypass Circuit
VSS
VDD
O4+
O4-
VDDP4
I4+
I4-
VDDP0
O0-
O0+
N/C
DD
/2
Page 5