Texas Instruments SN74ABT245BN Bedienungsanleitung

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SN54ABT245A, SN74ABT245B

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS081L − JANUARY 1991 − REVISED APRIL 2005

1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

DTypical VOLP (Output Ground Bounce)

<1 V at VCC = 5 V, TA = 25°C

DIoff and Power-Up 3-State Support Hot

Insertion

DHigh-Drive Outputs (−32-mA IOH, 64-mA IOL)

DLatch-Up Performance Exceeds 500 mA Per

JEDEC Standard JESD 17

DESD Protection Exceeds JESD 22

− 2000-V Human-Body Model (A114-A)

− 200-V Machine Model (A115-A)

SN54ABT245A . . . J OR W PACKAGE

SN74ABT245B . . . DB, DGV, DW, N, NS,

OR PW PACKAGE

(TOP VIEW)

3 2 12019

910 1112 13

4

5

6

7

8

18

17

16

15

14

B1

B2

B3

B4

B5

A3

A4

A5

A6

A7

A2

A1

DIR

B7

B6 OE

A8

GND

B8

VCC

SN54ABT245B . . . FK PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

DIR

A1

A2

A3

A4

A5

A6

A7

A8

GND

VCC

OE

B1

B2

B3

B4

B5

B6

B7

B8

SN74ABT245B . . . RGY PACKAGE

(TOP VIEW)

1 20

10 11

2

3

4

5

6

7

8

9

19

18

17

16

15

14

13

12

OE

B1

B2

B3

B4

B5

B6

B7

A1

A2

A3

A4

A5

A6

A7

A8

DIR

B8 V

GND

CC

description/ordering information

These octal bus transceivers are designed for asynchronous communication between data buses. The devices

transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the

direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are

effectively isolated.

ORDERING INFORMATION

TAPACKAGE†ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

PDIP − NTubeSN74ABT245BNSN74ABT245BN

QFN − RGYTape and reelSN74ABT245BRGYRAB245B

SOIC DW

Tube SN74ABT245BDW

ABT245B

SOIC − DWTape and reelSN74ABT245BDWRABT245B

SOP − NSTape and reelSN74ABT245BNSRABT245B

−40° °C to 85CSSOP − DBTape and reelSN74ABT245BDBRAB245B

40 C

to

85 C

TSSOP PW

Tube SN74ABT245BPW

AB245B

TSSOP − PWTape and reelSN74ABT245BPWRAB245B

TVSOP − DGVTape and reelSN74ABT245BDGVRAB245B

VFBGA − GQN

Tape and reel

SN74ABT245BGQNR

AB245B

VFBGA − ZQN (Pb-free)Tape and reelSN74ABT245BZQNR AB245B

CDIP − JTubeSNJ54ABT245AJSNJ54ABT245AJ

−55° °C to 125CCFP − WTubeSNJ54ABT245AWSNJ54ABT245AW

55 C

to

125 C

LCCC − FKTubeSNJ54ABT245AFKSNJ54ABT245AFK

†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available

at www.ti.com/sc/package.

Copyright © 2005, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

On products compliant to MIL-PRF-38535, all parameters are tested

unless otherwise noted. On all other products, production

processing does not necessarily include testing of all parameters.

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