74HC04 | Hex Inverter Logic Chip | Reference Series

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Welcome to my reference series on 74HCxx chips! This one is about the quad, 2-input NOR chip, the 74HC02!

All tests are performed at 5v and here are links to the parts you will need to build your own!

All the logic chips in this series:

Only the 74HC04:

A selection of CMOS chips:

Resistors (10k for pull-ups, 1k for LEDs)

Pin headers:

Jumpers:

14-pin socket:

LEDs:

Screw terminals 2-pin:

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[frankowalker]

I've used hex inverters quite a lot for various computer projects. So useful.

[AJBK]

A nice simple Not Gate Example.
The only recommendation I could make to improve it is to add the inverter/Not gate symbol to the silkscreen.
Nice project.

[SteveRaynerMakes]

Yes I love this series. Very well presented.

[onecircuit-as]

Here in Australia everything is inverted. 👍😀

[OutdoorsWithShawn]

I could have used one (well, many) when I mistakenly bought low level SSR boards for my Christmas Light Show box. I had to rewrite my entire code.

[deankqadj]

Great series! This information is useful.

[kyleallred]

I appreciate these series, keeping things simple and teaching the beginning of logic gates.
Are you planning on redesigning these boards to allow setting up 8bit logic gates?

[planker]

Excellent presentation, I just pulled one from a broken tape deck. 74HC04AP, what does the AP do? Got my data sheet printed and breadboard ready.