VITESSE

SEMICONDUCTOR CORPORATION

Datasheet

VSC834

2.5Gb/s 17x17 Crosspoint Switch

with Input Signal Activity (ISA) Monitoring

G52247-0, Rev 4.2

Page 13

02/09/01

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

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

Internet: www.vitesse.com

Y16, YN16

P17, P18

Data Output

PECL

Programming Port

ADR0

B8

Program data address

TTL

ADR1

D8

Program data address

TTL

ADR2

C8

Program data address

TTL

ADR3

B7

Program data address

TTL

ADR4

C7

Program data address

TTL

ADR5

D7

Program data address

TTL

D0

V7

Program data

TTL

D1

V8

Program data

TTL

D2

U8

Program data

TTL

D3

W8

Program data

TTL

D4

Y8

Program data

TTL

D5

Y9

Program data

TTL

ALE

A7

Address latch enable (active high)

TTL

INTB

U7

Interrupt (active low)

TTL

RDB

W7

Read enable (active low)

TTL

WRB

Y7

Write enable (active low)

TTL

CONFIG

W6

Configuration strobe (active high)

TTL

CSB

Y6

Chip select (active low)

TTL

MONCLK

A6

Loss of activity monitor clock (active high)

TTL

Power Supplies

VCC

A1, A2, A3, A4, A5, A16, A17, A18,

A19, A20, B1, B2, B3, B4, B5, B15, B16,

B17, B18, B19, B20, C1, C2, C3, C4, C5,

C6, C16, C17, C18, C19, C20, D1, D2,

D3, D4, D5, D16, D17, D18, D19, D20,

E1, E2, E3, E4, E17, E18, E19, E20, F1,

F2, F3, F4, F19, F20, G3, G4, G19, H2,

J20, K2, K3, K4, K17, K18, K19, K20,

L1, L2, L3, L4, L17, L18, L19, M1, P2,

R1, R2, R4, R17, R18, R20, T1, T2, T3,

T4, T17, T18, T19, T20, U1, U2, U3, U4,

U16, U17, U18, U19, U20, V1, V2, V3,

V4, V16, V17, V18, V19, V20, W1, W2,

W3, W4, W5, W16, W17, W18, W19,

W20, Y1, Y2, Y3, Y4, Y5, Y16, Y17,

Y18, Y19, Y20

Power

+3.3V

Table 9: Pin Identification

Signal

Name

Pin

Function

Level