82C89 Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

Lista de partido

82C89

CMOS Bus Arbiter

Intersil 

82C89

XACK(I/O BUS)

AEN1

82C84A/85

CLOCK

RDY1 RDY2

READY

CLK AEN2

READY

CLK

8089

IOP

82C89

BUS

ARBITER

CLK

VCC

S0-S2

IOB

RESB

ANYRQST

AEN

XACK

MULTI-MASTER

SYSTEM BUS

MULTI-MASTER

CONTROL BUS

I/O

COMMAND

BUS

I/O

ADDRESS

BUS

AD0-AD15 S0

A16-A19 S2

PROCESSOR

LOCAL BUS

OE STB

ADDRESS

LATCH

82C82/

82C83H

(2 OR 3)

STATUS (S0, S1, S2)

AEN

82C88

BUS

CONTROLLER

OE STB

ADDRESS

LATCH

82C82/

82C83H

(2 OR 3)

CLK

ALE

IOB

PDEN DEN DT/R

MULTI-MASTER

SYSTEM

COMMAND BUS

VCC

MULTI-MASTER

SYSTEM

ADDRESS BUS

XCVR

DISABLE

I/O

DATA

BUS

OE

T

TRANSCEIVER

82C86H/

82C87H

(2)

OE

T

TRANSCEIVER

82C86H/

82C87H

(2)

FIGURE 5. TYPICAL MEDIUM COMPLEXITY IOB SYSTEM

MULTI-MASTER

SYSTEM

DATA BUS

4-349

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