
PCPI AppliCard
baldengineer/bit-preserve
Project for capturing vintage, classic, aka old computer schematics in KiCad.

The SN74LS374N is a flip Flop made by Texas Instruments in a PDIP-20 package with 20 pins. 0℃~+70℃ 1 2.6mA 20ns 24mA 28ns@5V,45pF 4.75V~5.25V 40mA 50MHz 74LS Series 8 D-Type Rising Edge Tri-State PDIP-20 Latches ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS374, from KiCad's library) and its footprint (Package_DIP:DIP-20_W7.62mm, from KiCad's library), ready for a KiCad board. 18 are in stock at JLCPCB (part C1523200). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | OE | Input |
| 2 | O0 | Tri-state |
| 3 | D0 | Input |
| 4 | D1 | Input |
| 5 | O1 | Tri-state |
| 6 | O2 | Tri-state |
| 7 | D2 | Input |
| 8 | D3 | Input |
| 9 | O3 | Tri-state |
| 10 | GND | Power in |
| 11 | Cp | Input |
| 12 | O4 | Tri-state |
| 13 | D4 | Input |
| 14 | D5 | Input |
| 15 | O5 | Tri-state |
| 16 | O6 | Tri-state |
| 17 | D6 | Input |
| 18 | D7 | Input |
| 19 | O7 | Tri-state |
| 20 | VCC | Power in |

baldengineer/bit-preserve
Project for capturing vintage, classic, aka old computer schematics in KiCad.
<iframe src="https://pcbkit.io/embed/parts/ti/SN74LS374N" title="SN74LS374N 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/SN74LS374N.jpg" alt="SN74LS374N" width="1200" height="900">[](https://pcbkit.io/parts/ti/SN74LS374N)Yes. The symbol is 74xx:74LS374 and the footprint Package_DIP:DIP-20_W7.62mm, 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.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C1523200, with 18 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the CD74HCT377E by Texas Instruments, the CD74HCT273E by Texas Instruments, the CD74HCT564E by Texas Instruments and the SN74HC174D 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.