CD54HCT258, CD74HCT258

QUADRUPLE 2-LINE TO 1-LINE SELECTORS/MULTIPLEXERS

WITH 3-STATE OUTPUTS

SCHS276A – MAY 2003

1

POST OFFICE BOX 655303

–55

°C to 125°C

Transition Times

Loads

LS-TTL Logic ICs

description/ordering information

These devices are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized

systems. The 3-state outputs do not load the data lines when the output-enable (G) input is at a high logic level.

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

55

°Cto125°C

PDIP – E

Tube

CD74HCT258E

CD74HCT258E

–55

°C to 125°C

CDIP – F

Tube

CD54HCT258F3A

CD54HCT258F3A

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

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

FUNCTION TABLE

INPUTS

OUTPUT

G

A/B

A

B

Y

H

X

X

X

Z

L

LL

X

H

L

LH

X

L

L

HX

L

H

L

H

X

H

L

Copyright

 2003, 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.

CD54HCT258 ...F PACKAGE

CD74HCT258 ...E PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

A/B

1A

1B

1Y

2A

2B

2Y

GND

G

4A

4B

4Y

3A

3B

3Y

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.