saadmir

:DAny how thanks to both of your efforts. I'll have to spend some more time to get which person of you is authentic. Thanks again.

Hi all out their I need some help regarding 4009b Hex inverter buffer, firstly i need its pins seetings secondly i need some information about pins (VDD and VCC). So far i have used VCC to supply a voltage source to an IC but in IC like this 4009 i have got struck over VDD as i am unable to idnetify what is vdd. Any body having knowledge about it please help in this regard. Thanks