2 layers245.1 × 160 mm
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.
139 parts326
Overview
The 74HC02 is a logic Gate made by onsemi with 14 pins. - Logic Gates ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC02, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C19180982). 133 open-source boards in 94 repositories on GitHub use it.
Symbol
Footprint
The library has no footprint for this part yet.
Order codes
1- 74HC02LCSC C19180982
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | — | Output |
| 2 | — | Input |
| 3 | — | Input |
| 4 | — | Output |
| 5 | — | Input |
| 6 | — | Input |
| 7 | GND | Power in |
| 8 | — | Input |
| 9 | — | Input |
| 10 | — | Output |
| 11 | — | Input |
| 12 | — | Input |
| 13 | — | Output |
| 14 | VCC | Power in |
Open-source boards using it
All 133- 2 layers191.8 × 121.3 mm
8-Bit CPU 32k
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
109 parts184 - 2 layers203.2 × 149.9 mm
- 2 layers
LM80C R6
leomil72/LM80C
A Z80-based homebrew computer withTMS9918, AY-3-8910, Z80 CTC, Z80 PIO, and Z80 SIO
153 parts123GPL-3.0 - 2 layers86 × 54 mm
- 2 layers55 × 28 mm
RTL8720DN multi function board
mikey60/BW16-RTL8720DN-Module-Arduino
BW16 (RTL8720DN) Module - Getting Started with Arduino
27 parts61 - 2 layers22.9 × 11.4 mm
AutoEG2
Ausdauersportler/IMAC-EFI-BOOT-SCREEN
How to create an EFI boot screen vBIOS for Apple Late 2009 to Mid 2011 iMac systems using AMD MXM graphics cards
13 parts57GPL-3.0 - 2 layers177.8 × 130.8 mm
Questions
Is there a KiCad symbol and footprint for the 74HC02?
Yes. The symbol is 74xx:74HC02, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where can I order the 74HC02?
JLCPCB lists it as part C19180982, with 0 in stock; the sellers' links on this page open their listings.
Which open-source boards use the 74HC02?
133 boards in 94 repositories on GitHub; the most starred are listed on this page, with their KiCad files.