TFB2002BI

FUTUREBUS+ I/O CONTROLLER

SLLS182 – AUGUST 1994

8

POST OFFICE BOX 655303

Terminal Functions

Futurebus+ interface

TERMINAL

I/O

FROM/TO

DESCRIPTION

NAME

NO.

I/O

FROM/TO

DESCRIPTION

ADRCV

45

O

Futurebus+

Transceiver receiver enable

ADDRV*

46

O

Futurebus+

Transceiver driver enable

ASI, AKI, AII

100, 103, 108

I

Futurebus+

Futurebus+ address synchronization signals: address strobe (ASI), address

acknowledge (AKI), address acknowledge inverse (AII)

ASO, AKO, AIO

99, 101, 107

O

Futurebus+

Futurebus+ address synchronization signals: address strobe (ASO), address

acknowledge (AKO), address acknowledge inverse (AIO)

CAI < 2:0 >

84, 87, 89

I

Futurebus+

Futurebus+ capability bits

CAO < 2:0 >

83, 85, 88

O

Futurebus+

Futurebus+ capability bits

CM < 7:0 >, CP

69, 71, 72, 73,

75, 76, 77, 79,

80

I/O

Futurebus+

Futurebus+ command bits and parity

CMWR*

81

O

Futurebus+

Transceiver control for command: H = read, L = write

DSI, DKI, DII

105, 95, 97

I

Futurebus+

Futurebus+ data-path-synchronization input signals: data strobe (DSI), data

acknowledge (DKI), data acknowledge inverse (DII)

DSO, DKO, DIO

104, 93, 96

O

Futurebus+

Futurebus+ data-path-synchronization output signals: data strobe (DSO), data

acknowledge (DKO), data acknowledge inverse (DIO)

ETI

92

I

Futurebus+

Futurebus+ end-of-tenure in

ETO

91

O

Futurebus+

Futurebus+ end-of-tenure out

GR

117

I

Futurebus+

Futurebus+ mastership has been granted (bus tenure may begin when ETI is

released).

PE

116

I

Futurebus+

Futurebus+ preemption has occurred.

RQ < 1:0 >

120, 119

O

Futurebus+

Futurebus+ is requested at level 1 or level 0. RQO is used for DMA operations; RQ1

is used for all other operations.

STI < 7:0 >

49, 52, 55, 57,

60, 63, 65, 68

I

Futurebus+

Futurebus+ status in

STO < 7:0 >

48, 51, 53, 56,

59, 61, 64, 67

O

Futurebus+

Futurebus+ status out

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

– 0.5 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

– 0.5 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

– 0.5 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous total power dissipation

See Dissipation Rating Table

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power dissipation

500 mW

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–20

°C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Case temperature for 10 seconds

260

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NOTE 1: All voltage values are with respect to GND.

DISSIPATION RATING TABLE

PACKAGE

TA ≤ 25°C

POWER RATING

DERATING FACTOR

ABOVE TA = 25°C

TA = 70°C

POWER RATING

PPM

3175 mW

25.4 mW/

°C

2032 mW