Skip to the content
PCBKitNew board
SN74AS138D on a board, in 3D

SN74AS138D

Texas Instruments

0℃~+70℃ 4.5V~5.5V 400uA 8mA Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS

Extended
DatasheetJLCPCBLCSCti/SN74AS138D
Category
Signal Switches, Multiplexers, Decoders
Package
SOIC-16
Pins
16

Overview

The SN74AS138D is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a SOIC-16 package with 16 pins. 0℃~+70℃ 4.5V~5.5V 400uA 8mA Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS.

PCBKit's library has its KiCad symbol (74xx:74HC138, from KiCad's library) and its footprint (Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C1547531).

Symbol

A01A12A23E04E15E26Y77GND8Y69Y510Y411Y312Y213Y114Y015VCC16
74xx:74HC138From KiCad's library

Footprint

12345678910111213141516
Package_SO:SOIC-16_3.9x9.9mm_P1.27mmFrom KiCad's library

Parameters

6
Current - Output High(IOH)
400uA
Current - Output Low(IOL)
8mA
Operating temperature
0℃~+70℃
Series
74AS
Voltage - Supply
4.5V~5.5V
Voltage Supply Source
Single Supply

Order codes

1

Pinout

16
The pins of the SN74AS138D
PinNameType
1A0Input
2A1Input
3A2Input
4E0Input
5E1Input
6E2Input
7Y7Output
8GNDPower in
9Y6Output
10Y5Output
11Y4Output
12Y3Output
13Y2Output
14Y1Output
15Y0Output
16VCCPower in

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74AS138D" title="SN74AS138D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/SN74AS138D.jpg" alt="SN74AS138D" width="1200" height="900">
A picture that opens the part, for a README
[![SN74AS138D](https://pcbkit.io/embed/parts/ti/SN74AS138D.jpg?size=s)](https://pcbkit.io/parts/ti/SN74AS138D)

Questions

Is there a KiCad symbol and footprint for the SN74AS138D?

Yes. The symbol is 74xx:74HC138 and the footprint Package_SO:SOIC-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SN74AS138D?

SOIC-16, with 16 pins. Its footprint is drawn on this page.

Where is the SN74AS138D datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the SN74AS138D?

JLCPCB lists it as part C1547531, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74AS138D?

Parts like it in the library: the 74HC4053M/TR by HGSEMI, the SN74HC138D by Texas Instruments, the 74HC138D by JSMSEMI and the MC74HC138AD by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8