Data Sheet

VSC7127/VSC7129

Family of Repeater/Retimer and Port

Bypass Circuits for Fibre Channel

VITESSE

SEMICONDUCTOR CORPORATION

Page 8

G52298-0, Rev 4.3

05/01/01

© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012

Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

Internet: www.vitesse.com

Package Pin Descriptions

Figure 5: Pin Diagram

Table 3: VSC7124/VSC7127/VSC7129 Pin Differences

NOTE: (1) The VSC7124 is a 5 PBC device similar to the VSC7127/VSC7129 without the FibreTimer™ Repeater/Retimer functionality.

Pin 12

Pin 13

Pin 32

Pin 19

Pin 20

Pin 21

Pin 22

Pin 23

Comment

VSC7124

N/C

N/C

VDD

VSS

N/C

VDD

N/C

N/C

Provided for reference only

(1)

VSC7127

MODE

REFCLK

VDDA

VSS

SIGDET

VDD

SEL5

TRST

Compatible with HDMP-0451

VSC7129

MODE

REFCLK

VDDA

SIGDET

VDD

SEL5

TRST

VSS

Compatible with HDMP-0452

VSS

I0+

VSS

PIN23*

O0+

O4+

O0-

VDDP1

O1-

O1+

I4-

VDD

VSS

I0-

VDDP0

I4+

VDDP4

O4-

VDDA

I1+

I1-

VSC7127

VSS

1

3

5

7

9

11

33

31

29

27

25

23

13

15

17

19

21

43

41

39

37

35

VSC7129

* See Tables 3 and 4 for Pin Differences and Description