/diy/ - Do It Yourself

Anonymous Thu Jul 5 15:41:30 2018 No.1419420 [View]
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>>1419407
The first 1-2 letters are usually manufacturer, SN for TI is the only one I remember off the top of my head
"74HC" means "High-speed CMOS, using 74xx family pinouts" (as opposed to 74LS etc).
Obviously the 4xxx is the old CMOS designation for your part.
The suffix usually defines the package and temperature/reliability rating, but vary by manufacturer.

https://dmohankumar.wordpress.com/2012/04/24/know-the-meaning-of-transistor-and-ic-codes/

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