4 open source boards using the 74LS243
Real designs built with the 74LS243, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
Junior interface
laurent-fr
217.2 × 113 mm116 parts2LCC-BY-NC-4.013
Junior computer
217.2 × 113 mm80 parts2LCC-BY-NC-4.013
Junior computer - Copie
204.5 × 104.1 mm77 parts2LCC-BY-NC-4.013
Junior universal memory
160 × 100 mm38 parts2LCC-BY-NC-4.013
The 74LS243 in open source designs
The gallery holds 4 open source boards using the 74LS243 from 1 GitHub repository; a typical one measures about 210.8 × 108.6 mm and carries around 79 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Junior interface by laurent-fr.
What boards using the 74LS243 are built for
74LS243: common questions
Where can I find a 74LS243 reference design?
Each of the 4 boards on this page is a real design using the 74LS243. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the 74LS243?
The median is 210.8 × 108.6 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74LS243?
By GitHub stars, Junior interface by laurent-fr, with 13 stars.
Can I simulate one of these boards using the 74LS243 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.