
Z180GDC
lynchaj/rhyophyre
Single Board Computer featuring Zilog Z180 processor and NEC µPD7220 Graphics Display Controller

The 74F299PC is a shift Register made by onsemi in a PDIP-20 package with 20 pins. 0℃~+70℃ 1 100MHz 24mA 3mA 4.5V~5.5V 74F 7ns@5V,50pF 8 Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift Tri-State PDIP-20 Shift Registers.
PCBKit's library has its KiCad symbol (74xx:74LS299, from KiCad's library) and its footprint (Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3304032). 2 open-source boards in 2 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | S0 | Input |
| 2 | OE1 | Input |
| 3 | OE2 | Input |
| 4 | IO6 | Tri-state |
| 5 | IO4 | Tri-state |
| 6 | IO2 | Tri-state |
| 7 | IO0 | Tri-state |
| 8 | Q0 | Output |
| 9 | Mr | Input |
| 10 | GND | Power in |
| 11 | Ds0 | Input |
| 12 | Cp | Input |
| 13 | IO1 | Tri-state |
| 14 | IO3 | Tri-state |
| 15 | IO5 | Tri-state |
| 16 | IO7 | Tri-state |
| 17 | Q7 | Output |
| 18 | Ds7 | Input |
| 19 | S1 | Input |
| 20 | VCC | Power in |

lynchaj/rhyophyre
Single Board Computer featuring Zilog Z180 processor and NEC µPD7220 Graphics Display Controller

lynchaj/duodyne
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus
<iframe src="https://pcbkit.io/embed/parts/onsemi/74F299PC" title="74F299PC 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/74F299PC.jpg" alt="74F299PC" width="1200" height="900">[](https://pcbkit.io/parts/onsemi/74F299PC)Yes. The symbol is 74xx:74LS299 and the footprint Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
PDIP-20, with 20 pins. Its footprint is drawn on this page.
onsemi publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C3304032, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the AM25LS22PC by AMD, the 74ACT299PC by onsemi, the 74ACT323PC by onsemi and the 74F322PC by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.