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

onsemi
0.5V 0.8V 0℃~+70℃ 2.5V、2.7V 2V 4.5V~5.5V 74F 9 Odd parity generation、Simultaneous odd/even parity output、Even parity generation Parity Generator/Checker DIP-14 Parity Generators and Checkers ROHS
The 74F280PC is a parity Generators And Checker made by onsemi in a DIP-14 package with 14 pins. 0.5V 0.8V 0℃~+70℃ 2.5V、2.7V 2V 4.5V~5.5V 74F 9 Odd parity generation、Simultaneous odd/even parity output、Even parity generation Parity Generator/Checker DIP-14 Parity Generators and Checkers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS280, from KiCad's library) and its footprint (Package_DIP:DIP-14_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3288349). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | H | Input |
| 3 | NC | Not connected |
| 4 | I | Input |
| 5 | Even | Output |
| 6 | Odd | Output |
| 7 | GND | Power in |
| 8 | A | Input |
| 9 | B | Input |
| 10 | C | Input |
| 11 | D | Input |
| 12 | E | Input |
| 13 | F | Input |
| 14 | 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/74F280PC" title="74F280PC 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/74F280PC.jpg" alt="74F280PC" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/74F280PC)Yes. The symbol is 74xx:74LS280 and the footprint Package_DIP:DIP-14_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
DIP-14, with 14 pins. Its footprint is drawn on this page.
onsemi publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3288349, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the CD74HC280E(LX) by lingxingic, the SN74LS280N(LX) by lingxingic, the SN74LS280N by Texas Instruments and the DM74AS280N 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.