VITESSE

SEMICONDUCTOR CORPORATION

Data Sheet

VSC8061/VSC8062

2.5Gb/s 16-Bit

Multiplexer/Demultiplexer Chipset

Page 12

G52069-0, Rev 4.3

05/11/01

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

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

Internet: www.vitesse.com

Table 7: VSC8061 Pin Identifications

NOTE: (1) Can be used single-ended.

Pin Number

QH Package

Pin number

F Package

Signal

Name

I/O

Level

Description

38

13

CLK

I

HS

37

12

CLKN

I

HS

9

34

DCLK

I

ECL

10

35

DCLKN

I

ECL

34

9

CLK16

O

ECL

Clock divide-by-16, true

33

8

CLK16N

O

ECL

Clock divide-by-16, complement

11, 15-20, 22-

25, 28-32

1-3, 5, 6,

8-42, 44, 45,

47, 48, 50, 51

D[0:15]

I

ECL

Parallel data inputs

45

19

DO

O

HS

Serial data output, true

44

17

DON

O

HS

Serial data output, complement

7

31

U

O

ECL

Phase detector output - up frequency

8

32

D

O

ECL

Phase detector output - down frequency

1, 12, 27,

39, 51

4, 10, 18, 30,

36, 43, 49

Pwr

Most positive power supply

2, 5, 13, 14, 21,

26, 35

7,46

Pwr

DCFL negative power supply

36, 42, 43,

46, 49

33

Pwr

SCFL negative power supply

6, 40, 41, 47,

48, 50

11, 14-16,

20-22, 24-26,

29, 37, 52

NC

Do not connect, leave open

3, 4

27, 28

Test

Test inputs. Used in factory for testing, connect to

VTT through a resistor

52

23

Pwr