8 open source boards using the 74LS174
Real designs built with the 74LS174, 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.
Dragon64
danwerner21
333.2 × 205.9 mm220 parts2LNo license34Z80VDP1B
lynchaj
100 × 100 mm93 parts2LNo license31BitStack-DigiTrainer
RetroStack
320 × 150 mm262 parts2LMIT2Lomax ColorMagic Redux
RichCini
254 × 137.7 mm148 parts4LNo license1Backup
danwerner21
333.2 × 205.9 mm218 parts2LNo license34Z80VDP1A
lynchaj
100 × 100 mm90 parts2LNo license31Backup1
danwerner21
333.2 × 205.9 mm218 parts2LNo license34Z80PSG1
lynchaj
100 × 100 mm64 parts2LNo license31
The 74LS174 in open source designs
The gallery holds 8 open source boards using the 74LS174 from 4 GitHub repositories; a typical one measures about 287 × 143.8 mm and carries around 183 components.
88% are two-layer designs, the rest use four layers or more, and 13% carry an open source license.
The most starred is Dragon64 by danwerner21.
Parts used alongside the 74LS174
What boards using the 74LS174 are built for
74LS174: common questions
Where can I find a 74LS174 reference design?
Each of the 8 boards on this page is a real design using the 74LS174. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the 74LS174?
The 74LS02, 74LS244, 74LS00, 74LS04 and 74LS32 appear in the most repositories here.
How big is a typical board using the 74LS174?
The median is 287 × 143.8 mm, and 88% are two-layer designs.
What is the most popular open source board using the 74LS174?
By GitHub stars, Dragon64 by danwerner21, with 34 stars.
Can I simulate one of these boards using the 74LS174 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.