IC Circuit

Hi, please forgive my ignorance, my knowledge is limited for this stuff.
I want to know about the internal structure diagram of 74148 IC 8 data line to 3 line binary (octal) priority encoder. Please help me in this regard with truth table. I want to impliment that circuit.

hi,

google is your friend always!!! (or www.alltheweb.com )

the majority of logic chips and analogue chips provide you with the equiv cct diagram

www.it.lth.se/datablad/Logik/74HC/74HC148.pdf