2 open source boards using the CD74HCT688E
Real designs built with the CD74HCT688E, 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.
Isa i2c
miselin
99.7 × 78.3 mm18 parts2LCERN-OHL-P-2.02
Ps2mkb
clydeshaffer
120 × 98 mm26 parts2LNo license146
The CD74HCT688E in open source designs
The gallery holds 2 open source boards using the CD74HCT688E from 2 GitHub repositories; a typical one measures about 109.9 × 88.1 mm and carries around 22 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Ps2mkb by clydeshaffer.
CD74HCT688E: common questions
Where can I find a CD74HCT688E reference design?
Each of the 2 boards on this page is a real design using the CD74HCT688E. 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 CD74HCT688E?
The median is 109.9 × 88.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the CD74HCT688E?
By GitHub stars, Ps2mkb by clydeshaffer, with 146 stars.
Can I simulate one of these boards using the CD74HCT688E 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.