Overview
The SN74LS381AN is a specialty Logic made by Texas Instruments with 20 pins. - Specialty Logic.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:74F381PC_C17411670, from EasyEDA) and its footprint (EasyEDA_Cloud:PDIP-20_L25.9-W6.6-P2.54-LS7.9-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C17427373).
Symbol
Footprint
Order codes
1- SN74LS381ANLCSC C17427373
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Unspecified |
| 2 | B1 | Unspecified |
| 3 | A0 | Unspecified |
| 4 | B0 | Unspecified |
| 5 | S0 | Unspecified |
| 6 | S1 | Unspecified |
| 7 | S2 | Unspecified |
| 8 | F0 | Unspecified |
| 9 | F1 | Unspecified |
| 10 | GND | Unspecified |
| 11 | F2 | Unspecified |
| 12 | F3 | Unspecified |
| 13 | G# | Unspecified |
| 14 | P# | Unspecified |
| 15 | Cn | Unspecified |
| 16 | B3 | Unspecified |
| 17 | A3 | Unspecified |
| 18 | B2 | Unspecified |
| 19 | A2 | Unspecified |
| 20 | VCC | Unspecified |
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS381AN" title="SN74LS381AN in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/SN74LS381AN.jpg" alt="SN74LS381AN" width="1200" height="900">[](https://pcbkit.io/parts/ti/SN74LS381AN)Questions
Is there a KiCad symbol and footprint for the SN74LS381AN?
Yes. The symbol is EasyEDA_Cloud:74F381PC_C17411670 and the footprint EasyEDA_Cloud:PDIP-20_L25.9-W6.6-P2.54-LS7.9-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where is the SN74LS381AN datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS381AN?
JLCPCB lists it as part C17427373, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS381AN?
Parts like it in the library: the 54F385DM by Texas Instruments and the SN74LS382AN by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
