SN54BCT125A, SN74BCT125A

QUADRUPLE BUS BUFFER GATES

WITH 3-STATE OUTPUTS

SCBS032F – SEPTEMBER 1988 – REVISED MARCH 2003

1

POST OFFICE BOX 655303

Memory Address Registers

1

2

3

4

5

6

7

14

13

12

11

10

9

8

1OE

1A

1Y

2OE

2A

2Y

GND

4OE

4A

4Y

3OE

3A

3Y

32

1 20 19

910 11 12 13

4

5

6

7

8

18

17

16

15

14

4A

NC

4Y

NC

3OE

1Y

NC

2OE

NC

2A

SN54BCT125A ...FK PACKAGE

(TOP VIEW)

NC – No internal connection

SN54BCT125A ...J OR W PACKAGE

SN74BCT125A . . . D, N, OR NS PACKAGE

(TOP VIEW)

description/ordering information

The ’BCT125A bus buffers feature independent line drivers with 3-state outputs. Each output is disabled when

the associated output-enable (OE) input is high.

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

ORDERING INFORMATION

TA

PACKAGE†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

PDIP – N

Tube

SN74BCT125AN

SN74BCT125AN

0

°Cto70°C

SOIC

D

Tube

SN74BCT125AD

BCT125A

0

°C to 70°C

SOIC – D

Tape and reel

SN74BCT125ADR

BCT125A

SOP – NS

Tape and reel

SN74BCT125ANSR

BCT125A

CDIP – J

Tube

SNJ54BCT125AJ

SNJ54BCT125AJ

–55

°C to 125°C

CFP – W

Tube

SNJ54BCT125AW

SNJ54BCT125AW

LCCC – FK

Tube

SNJ54BCT125AFK

SNJ54BCT125AFK

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

available at www.ti.com/sc/package.

FUNCTION TABLE

(each buffer)

INPUTS

OUTPUT

OE

A

Y

L

H

H

L

LL

H

X

Z

Copyright

 2003, Texas Instruments Incorporated

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.

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.

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.