
Inboard386
ronnyroy111/inboard386
Reverse engineered schematics, PCB and logic equations for the Intel 386/PC accelerator

onsemi
0℃~+70℃ 24mA 3mA 4.5V~5.5V 74F 7ns@5V,50pF Reverse function、Output enable high-impedance、Tri-state output Single Supply SOIC-16-208mil Signal Switches, Multiplexers, Decoders
The 74F258ASJ is a signal Switches, Multiplexers, Decoder made by onsemi in a SOIC-16-208mil package with 16 pins. 0℃~+70℃ 24mA 3mA 4.5V~5.5V 74F 7ns@5V,50pF Reverse function、Output enable high-impedance、Tri-state output Single Supply SOIC-16-208mil Signal Switches, Multiplexers, Decoders.
PCBKit's library has its KiCad symbol (74xx:74LS258, from KiCad's library) and its footprint (EasyEDA_Cloud:SO-16_L10.2-W5.3-P1.27-LS7.8-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3234005). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | S | Input |
| 2 | I0a | Input |
| 3 | I1a | Input |
| 4 | Za | Tri-state |
| 5 | I0b | Input |
| 6 | I1b | Input |
| 7 | Zb | Tri-state |
| 8 | GND | Power in |
| 9 | Zd | Tri-state |
| 10 | I1d | Input |
| 11 | I0d | Input |
| 12 | Zc | Tri-state |
| 13 | I1c | Input |
| 14 | I0c | Input |
| 15 | OE | Input |
| 16 | VCC | Power in |

ronnyroy111/inboard386
Reverse engineered schematics, PCB and logic equations for the Intel 386/PC accelerator
<iframe src="https://pcbkit.io/embed/parts/onsemi/74F258ASJ" title="74F258ASJ in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/onsemi/74F258ASJ.jpg" alt="74F258ASJ" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/74F258ASJ)Yes. The symbol is 74xx:74LS258 and the footprint EasyEDA_Cloud:SO-16_L10.2-W5.3-P1.27-LS7.8-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOIC-16-208mil, with 16 pins. Its footprint is drawn on this page.
onsemi publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3234005, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the CD4511BNSR by Texas Instruments, the CD4555BNS by Texas Instruments, the CD4532BNSR by Texas Instruments and the SN74LS247NS by Texas Instruments. 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.