74AHC138BQ,115 View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

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74AHC138BQ,115

3-to-8 line decoder/demultiplexer; inverting

NXP Semiconductors. 

Nexperia

5. Pinning information

5.1 Pinning

74AHC138; 74AHCT138

3-to-8 line decoder/demultiplexer; inverting

A0 1

A1 2

A2 3

E1 4

E2 5

E3 6

Y7 7

GND 8

16 VCC

15 Y0

14 Y1

13 Y2

138

12 Y3

11 Y4

10 Y5

9 Y6

001aad033

Fig 4. Pin configuration for SO16 and TSSOP16

terminal 1

index area

A1 2

A2 3

E1 4

E2 5

E3 6

Y7 7

138

GND(1)

15 Y0

14 Y1

13 Y2

12 Y3

11 Y4

10 Y5

001aad035

Transparent top view

(1) The die substrate is attached to this pad using

conductive die attach material. It can not be used as a

supply pin or input.

Fig 5. Pin configuration for DHVQFN16

5.2 Pin description

Table 2.

Symbol

A0

A1

A2

E1

E2

E3

GND

Y0 to Y7

VCC

Pin description

Pin

1

2

3

4

5

6

8

15, 14, 13, 12, 11, 10, 9, 7

16

Description

address input

address input

address input

enable input (active LOW)

enable input (active LOW)

enable input (active HIGH)

ground (0 V)

output

supply voltage

74AHC_AHCT138

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 4 — 2 April 2014

© Nexperia B.V. 2017. All rights reserved

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