Print Page - Help me ID this IC

Title: Help me ID this IC
Post by: LaceSensor on 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?

Title: Re: Help me ID this IC
Post by: marmaliser on March 03, 2014, 10:57:56 AM

I am guessing it is 74hCD4

Title: Re: Help me ID this IC
Post by: Thomas_H on March 03, 2014, 11:49:31 AM

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 (http://www.changpuak.ch/electronics/RC_HCT_Generator.php)

Title: Re: Help me ID this IC
Post by: LaceSensor on March 03, 2014, 12:09:13 PM

Gotcha, thanks

madbeanpedals::forum

General => Open Discussion => Topic started by: LaceSensor on March 03, 2014, 10:46:24 AM