Binesh Ellupurayil Balachandran Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 2 posts - 1 through 2 (of 2 total) Author Posts June 25, 2013 at 12:28 pm in reply to: please help me to find out what are this red circled components #10030 Binesh Ellupurayil BalachandranParticipant 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 June 14, 2013 at 4:43 pm in reply to: please help me to find out what are this red circled components #9968 Binesh Ellupurayil BalachandranParticipant These are simple NOT gate used as Buffer to input. Author Posts Viewing 2 posts - 1 through 2 (of 2 total)