[Binesh Ellupurayil Balachandran]

Sorry, by mistake i wrote NOT gates.. with proper analysis I came to the conclusion that these are HEX Buffer IC 4049.

 

Usually the same task of IC are accomplished by the use of HEX INVERTOR, that is why i said Hex invertor in the fisrt stage. 

 

binesheb at gmail dot com

[Binesh Ellupurayil Balachandran]

These are simple NOT gate used as Buffer to input.

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