G52197-0, Rev. 4.0

© VITESSE SEMICONDUCTOR CORPORATION

Page 11

8/19/00

741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896

VITESSE

SEMICONDUCTOR CORPORATION

Data Sheet

VSC6250

1Gb/s 16-Channel

Drive-Side Deskew IC

Table 6: Pin Identifications

Pin #

Signal Name

Signal Type

Levels

Description

1VTT

—

-2.0V

Power Supply

2

VDD

—

0V

Ground

3

DOUT7

O

ECL

Output Channel 7, True

4

DOUT7N

O

ECL

Output Channel 7, Complementary

5

VDD

—

0V

Ground

6

DOUT6

O

ECL

Output Channel 6, True

7

DOUT6N

O

ECL

Output Channel 6, Complementary

8

VTT

—

-2.0V

Power Supply

9

DOUT5

O

ECL

Output Channel 5, True

10

DOUT5N

O

ECL

Output Channel 5, Complementary

11

VDD

—

0V

Power Supply

12

DOUT4

O

ECL

Output Channel 4, True

13

DOUT4N

O

ECL

Output Channel 4, Complementary

14

VDD

—

0V

Ground

15

RCK

I

ECL

250 MHz Reference Clock, True

16

RCKN

I

ECL

250 MHz Reference Clock, Complementary

17

VDD

—

0V

Ground

18

VTT

—

-2.0V

Power Supply

19

VTT

—

-2.0V

Power Supply

20

VTT

—

-2.0V

Power Supply

21

DOUT3

O

ECL

Output Channel 3, True

22

DOUT3N

O

ECL

Output Channel 3, Complementary

23

VDD

—

0V

Ground

24

DOUT2

O

ECL

Output Channel 2, True

25

DOUT2N

O

ECL

Output Channel 2, Complementary

26

VDD

—

0V

Ground

27

DOUT1

O

ECL

Output Channel 1, True

28

DOUT1N

O

ECL

Output Channel 1, Complementary

29

VDD

—

0V

Ground

30

DOUT0

O

ECL

Output Channel 0, True

31

DOUT0N

O

ECL

Output Channel 0, Complementary

32

VTT

—

-2.0V

Power Supply

33

VTT

—

-2.0V

Power Supply

34

VTT

—

-2.0V

Power Supply

35

VDD

—

0V

Ground

36

ADR4

I

ECL

Address Bit 4 for Vernier Selection

37

ADR3

I

ECL

Address Bit 3 for Vernier Selection