
8-Bit CPU 32k
slu4coder/Minimal-64x4-Home-Computer
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.
NexperiaExtended
-40℃~+125℃ 1.5V~4.2V 20ns@6V,50pF 2V~6V 2uA 4 5.2mA 5.2mA 500mV~1.8V 74HC Series XOR Gate SOIC-14 Logic Gates ROHS
The 74HC86D is a logic Gate made by Nexperia in a SO-14 package with 14 pins. -40℃~+125℃ 1.5V~4.2V 20ns@6V,50pF 2V~6V 2uA 4 5.2mA 5.2mA 500mV~1.8V 74HC Series XOR Gate SOIC-14 Logic Gates ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC86, from KiCad's library) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. 4,394 are in stock at JLCPCB (part C5955). 134 open-source boards in 106 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | — | Input |
| 2 | — | Input |
| 3 | — | Output |
| 4 | — | Input |
| 5 | — | Input |
| 6 | — | Output |
| 7 | GND | Power in |
| 8 | — | Output |
| 9 | — | Input |
| 10 | — | Input |
| 11 | — | Output |
| 12 | — | Input |
| 13 | — | Input |
| 14 | VCC | Power in |

slu4coder/Minimal-64x4-Home-Computer
My DIY TTL home computer with VGA and PS/2 and 4x the processing power of a Commodore C64 or Apple II.

slu4coder/Minimal-UART-Computer-1-2
Legacy: Version 1 and 2 of my TTL-only CPU featuring UART I/O, an expansion port, 512KB SSD at up to 10MHz clock speed

slu4coder/Minimal-64-Home-Computer
Legacy: Full TTL-only home computer with VGA and PS/2 and twice the processing power of a Commodore 64


MakerMeik/Window-Sensor
Here you will find all the files you need to build an ESP8266-based window sensor whose battery will last for several years. Have a look at my video on Youtube: https://youtu.be/vxbuO1zWo3w

Board-Folk/MegaCD-Main-BD
Reproductions of main board PCBs for Sega's Mega CD/Sega CD add-on for the Mega Drive/Genesis console.


slu4coder/Minimal-UART-Computer-3
Version 3 of my educational DIY TTL computer built around a UART serial interface - now with blinkenlights!
Yes. The symbol is 74xx:74HC86 and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SO-14, with 14 pins. Its footprint is drawn on this page.
Nexperia publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C5955, with 4,394 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the CD4093BM96 by Texas Instruments, the CD4078BM96 by Texas Instruments, the SN74LS21D by Texas Instruments and the CD4030BM96 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
134 boards in 106 repositories on GitHub; the most starred are listed on this page, with their KiCad files.