
Project NuXT
monotech/NuXT
MicroATX Turbo XT Motherboard, with VGA, Floppy, CF, Serial

The 74F138D is a signal Switches, Multiplexers, Decoder made by NXP Semiconductors in a SOIC-16 package with 16 pins. 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 C5546). 5 open-source boards in 5 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | A0 | Input |
| 2 | A1 | Input |
| 3 | A2 | Input |
| 4 | E0 | Input |
| 5 | E1 | Input |
| 6 | E2 | Input |
| 7 | Y7 | Output |
| 8 | GND | Power in |
| 9 | Y6 | Output |
| 10 | Y5 | Output |
| 11 | Y4 | Output |
| 12 | Y3 | Output |
| 13 | Y2 | Output |
| 14 | Y1 | Output |
| 15 | Y0 | Output |
| 16 | VCC | Power in |

monotech/NuXT
MicroATX Turbo XT Motherboard, with VGA, Floppy, CF, Serial



cm68/Z280-S100
16-bit Zilog Z280 CPU card for the IEEE-696 S-100 backplane; glue logic in two ATF1508AS CPLDs

<iframe src="https://pcbkit.io/embed/parts/nxp/74F138D" title="74F138D in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/nxp/74F138D.jpg" alt="74F138D" width="1200" height="900">[](https://pcbkit.io/parts/nxp/74F138D)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.
SOIC-16, with 16 pins. Its footprint is drawn on this page.
JLCPCB lists it as part C5546, with 0 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.
5 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.