MC74HC138ADR2G(2012) View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

MC74HC138ADR2G
(Rev.:2012)

1-of-8 Decoder/Demultiplexer

ON Semiconductor 

MC74HC138A

A0 1

A1 2

A2 3

CS2 4

CS3 5

CS1 6

Y7 7

GND 8

16 VCC

15 Y0

14 Y1

13 Y2

12 Y3

11 Y4

10 Y5

9 Y6

Figure 1. Pin Assignment

A0

ADDRESS

INPUTS

A1

A2

CS1

CHIP-

SELECT CS2

INPUTS

CS3

1

15 Y0

2

14 Y1

3

13 Y2

12 Y3

11 Y4

10

Y5

9 Y6

7

Y7

6

4

PIN 16 = VCC

PIN 8 = GND

5

Figure 2. Logic Diagram

ACTIVE-LOW

OUTPUTS

FUNCTION TABLE

Inputs

Outputs

CS1CS2 CS3 A2 A1 A0 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7

X X H XXX HHH HHHH H

X H X XXX HHH HHHH H

L X X XXX HHH HHHH H

H L L LLL LHHHHHHH

H L L LLHH L HHHHHH

H L L LHL HH L HHHHH

H L L LHH H H H L H H H H

H L L HLL HHHH L HHH

H L L HLHHHHHH L HH

H L L HHL H H H H H H L H

H L L HHH H H H H H H H L

H = high level (steady state); L = low level (steady state); X = don’t care

ORDERING INFORMATION

Device

Package

Shipping†

MC74HC138ANG

PDIP−16

(Pb−Free)

500 Units / Rail

MC74HC138ADG

SOIC−16

(Pb−Free)

48 Units / Rail

MC74HC138ADR2G

SOIC−16

(Pb−Free)

2500 / Tape & Reel

MC74HC138ADTR2G

TSSOP−16

(Pb−Free)

2500 / Tape & Reel

NLV74HC138ADR2G*

SOIC−16

(Pb−Free)

2500 / Tape & Reel

NLV74HC138ADTR2G*

TSSOP−16

(Pb−Free)

2500 / Tape & Reel

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

*NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP

Capable

http://onsemi.com

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