VITESSE

SEMICONDUCTOR CORPORATION

Preliminary Datasheet

VSC8164

2.488 Gbit/sec to 2.7Gbit/sec

1:16 SONET/SDH Demux

Page 8

 VITESSE SEMICONDUCTOR CORPORATION

G52239-0, Rev. 3.3

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

5/17/00

Package Pin Descriptions

Table 3: Pin Identification

Pin

Name

I/O

Level

Description

1

NC

-

-

No connect, leave unconnected

2

NC

-

-

No connect, leave unconnected

3

NC

-

-

No connect, leave unconnected

4

NC

-

-

No connect, leave unconnected

5

NC

-

-

No connect, leave unconnected

6

NC

-

-

No connect, leave unconnected

7

NC

-

-

No connect, leave unconnected

8

NC

-

-

No connect, leave unconnected

9

NC

-

-

No connect, leave unconnected

10

HSDREF

I

voltage

High speed data input termination voltage reference

11

NC

-

-

No connect, leave unconnected

12

VEE

-

GND typ

Negative power supply pins

13

D+

I

HS

High jspeed data input, true

14

D-

I

HS

High speed data input, complement

15

VCC

-

+3.3V typ

Positive power supply pins

16

VEE

-

GND typ

Negative power supply pins

17

VEE

-

GND typ

Negative power supply pins

18

VCC

-

+3.3V typ

Positive power supply pins

19

HSCLK-

I

HS

High speed clock input, complement

20

HSCLK+

I

HS

High speed clock input, true

21

VCC

-

+3.3V typ

Positive power supply pins

22

HSCLKREF

I

voltage

High speed clock input termination voltage reference

23

NC

-

-

No connect, leave unconnected

24

NC

-

-

No connect, leave unconnected

25

NC

-

-

No connect, leave unconnected

26

NC

-

-

No connect, leave unconnected

27

NC

-

-

No connect, leave unconnected

28

NC

-

-

No connect, leave unconnected

29

NC

-

-

No connect, leave unconnected

30

NC

-

-

No connect, leave unconnected

31

NC

-

-

No connect, leave unconnected

32

NC

-

-

No connect, leave unconnected

33

NC

-

-

No connect, leave unconnected