Skip to the content
PCBKitNew board
SN74LS31D, in 3D

SN74LS31D

Texas Instruments

SOIC-16 Specialty Logic ROHS

Extended
DatasheetJLCPCBLCSCti/SN74LS31D
Category
Specialty Logic
Package
SOIC-16
Pins
16

Overview

The SN74LS31D is a specialty Logic made by Texas Instruments in a SOIC-16 package with 16 pins. SOIC-16 Specialty Logic ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SN74LS31NS, from EasyEDA) 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 C1523500).

Symbol

1A11Y22A32Y43A53B63Y7GND84Y94A104B115Y125A136Y146A15VCC16
EasyEDA_Cloud:SN74LS31NSFrom EasyEDA

Footprint

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

Order codes

1

Pinout

16
The pins of the SN74LS31D
PinNameType
11AUnspecified
21YUnspecified
32AUnspecified
42YUnspecified
53AUnspecified
63BUnspecified
73YUnspecified
8GNDUnspecified
94YUnspecified
104AUnspecified
114BUnspecified
125YUnspecified
135AUnspecified
146YUnspecified
156AUnspecified
16VCCUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS31D" title="SN74LS31D 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/SN74LS31D.jpg" alt="SN74LS31D" width="1200" height="900">
A picture that opens the part, for a README
[![SN74LS31D](https://pcbkit.io/embed/parts/ti/SN74LS31D.jpg?size=s)](https://pcbkit.io/parts/ti/SN74LS31D)

Questions

Is there a KiCad symbol and footprint for the SN74LS31D?

Yes. The symbol is EasyEDA_Cloud:SN74LS31NS 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 SN74LS31D?

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

Where is the SN74LS31D datasheet?

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

Where can I order the SN74LS31D?

JLCPCB lists it as part C1523500, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS31D?

Parts like it in the library: the SN74HC283DR(LX) by lingxingic, the SN74LS283DR(LX) by lingxingic, the CD74HC283M96 by Texas Instruments and the CD74AC283M96 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8