
PCB CableUndefined1stPrototype 2024-02-18
Ne-Se-Chete/CableUndefined-Embedded
AI-powered intelligent breadboard that digitally routes circuit connections using an STM32-controlled multiplexer matrix

The SN74LS138D is a signal Switches, Multiplexers, Decoder made by Texas Instruments in a SOIC-16 package with 16 pins. 0℃~+70℃ 10mA 3/8 4.75V~5.25V 400uA 41ns@5V,15pF 74LS 8mA Decoder Single Supply SOIC-16 Signal Switches, Multiplexers, Decoders ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS138, 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. 6,212 are in stock at JLCPCB (part C7736). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | A2 | Input |
| 4 | E1 | Input |
| 5 | E2 | Input |
| 6 | E3 | Input |
| 7 | O7 | Output |
| 8 | GND | Power in |
| 9 | O6 | Output |
| 10 | O5 | Output |
| 11 | O4 | Output |
| 12 | O3 | Output |
| 13 | O2 | Output |
| 14 | O1 | Output |
| 15 | O0 | Output |
| 16 | VCC | Power in |

Ne-Se-Chete/CableUndefined-Embedded
AI-powered intelligent breadboard that digitally routes circuit connections using an STM32-controlled multiplexer matrix
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS138D" title="SN74LS138D 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/SN74LS138D.jpg" alt="SN74LS138D" width="1200" height="900">[](https://pcbkit.io/parts/ti/SN74LS138D)Yes. The symbol is 74xx:74LS138 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.
SOIC-16, with 16 pins. Its footprint is drawn on this page.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C7736, with 6,212 in stock; the sellers' links on this page open their listings.
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.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.