Help me ID this IC

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Help me ID this IC

Started by LaceSensor, March 03, 2014, 10:46:24 AM

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LaceSensor

Electron Doctor
Posts: 3,295
Lovetone 4 Ever
Location: Manchester UK
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Help me ID this IC

March 03, 2014, 10:46:24 AM

I have purchased a Lumiphone kit and want to know how it works

The IC has the markings
M74hCD4B1
6406008H

any clues?

https://www.gigaheartsfx.com
instagram @gigahearts_fx

For the begginings, I think http://hownotomakeapedal.blogspot.com is still alive

marmaliser

Solder Ninja
Posts: 432
Mick
Location: UK
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Re: Help me ID this IC

#1

March 03, 2014, 10:57:56 AM

I am guessing it is 74hCD4

Thomas_H

Electron Doctor
Posts: 1,571
Location: Germany
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Re: Help me ID this IC

#2

March 03, 2014, 11:49:31 AM Last Edit: March 03, 2014, 11:51:12 AM by Thomas_H

should be 74HC04 a six inverter circut.

wired as a generator with LDRs to change frequency.

Application note: http://www.changpuak.ch/electronics/RC_HCT_Generator.php

DIY-PCBs and projects:

LaceSensor

Electron Doctor
Posts: 3,295
Lovetone 4 Ever
Location: Manchester UK
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Re: Help me ID this IC

#3

March 03, 2014, 12:09:13 PM

Gotcha, thanks

https://www.gigaheartsfx.com
instagram @gigahearts_fx

For the begginings, I think http://hownotomakeapedal.blogspot.com is still alive

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