VITESSE

SEMICONDUCTOR CORPORATION

Data Sheet

VSC8021/VSC8022

2.5Gb/s SONET-Compatible

8-Bit MUX/DEMUX Chipset

Page 12

G52028-0, Rev 4.1

05/25/01

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

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

Internet: www.vitesse.com

33

VEE

Pwr

-5.2V

Power Supply for High-Speed Logic

34

D1

I

ECL

Parallel Data Bit 1, True

35

D1N

I

ECL

Parallel Data Bit 1, Complement

36

VCC

Pwr

0V

Ground

37

D2

I

ECL

Parallel Data Bit 2, True

38

D2N

I

ECL

Parallel Data Bit 2, Complement

39

D3

I

ECL

Parallel Data Bit 3, True

40

D3N

I

ECL

Parallel Data Bit 3, Complement

41

D4

I

ECL

Parallel Data Bit 4, True

42

D4N

I

ECL

Parallel Data Bit 4, Complement

43

VCC

Pwr

0V

Ground

44

BYCLK

I

ECL

Divide-by-8 Clock, True

45

BYCLKN

I

ECL

Divide-by-8 Clock, Complement

46

VTT

Pwr

-2.0V

Power Supply for Internal Reference and Low Power Logic

47

D5

I

ECL

Parallel Data Bit 5, True

48

D5N

I

ECL

Parallel Data Bit 5, Complement

49

VCC

Pwr

0V

Ground

50

D6

I

ECL

Parallel Data Bit 6, True

51

D6N

I

ECL

Parallel Data Bit 6, Complement

52

D7

I

ECL

Parallel Data Bit 7, True