The CD4021S is a shift Register made by GR in a SOP-16 package with 16 pins.
PCBKit's library has its KiCad symbol (4xxx:4021, 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 C22397525). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | D7 | Input |
| 2 | Q5 | Output |
| 3 | Q7 | Output |
| 4 | D3 | Input |
| 5 | D2 | Input |
| 6 | D1 | Input |
| 7 | D0 | Input |
| 8 | VSS | Power in |
| 9 | PL | Input |
| 10 | CP | Input |
| 11 | DS | Input |
| 12 | Q6 | Output |
| 13 | D4 | Input |
| 14 | D5 | Input |
| 15 | D6 | Input |
| 16 | VDD | Power in |
tebl/C64-JoyKEY
WASD-style joystick for vintage computers. With an added Arduino Pro Micro you can use it as a USB-keyboard, so if you wanted a DIY streamdeck or Macro-keyboard - then the C64 JoyKEY can do that as well.
<iframe src="https://pcbkit.io/embed/parts/gr/CD4021S" title="CD4021S in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/gr/CD4021S.jpg" alt="CD4021S" width="1200" height="900">[](https://pcbkit.io/parts/gr/CD4021S)Yes. The symbol is 4xxx:4021 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.
SOP-16, with 16 pins. Its footprint is drawn on this page.
JLCPCB lists it as part C22397525, with 0 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the 74HC595D,118 by Nexperia, the SN74HC595D by Texas Instruments, the 74HC595D by JSMSEMI and the MC74HC595AD 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.
