For me it is the 555 timer because of its wide range of use in various application.

Fayimora: What does IC stand for?

integrated circuit(used in electronics)

Fayimora: And how exactly will you rank ICs in other to pick "the most popular one"? Seems like you are asking the wrong question

nop.nt a rong qst.popular as per hw often dy're ben used for xampl microchip has sold over 1billion pic microcontrolers cs it's vry popular.

[font=Lucida Sans Unicode][/font][b][/b][color=#000099][/color]
i'd say 555 timer. Bt it seem PIC is taking ova nw.

Mannynoel: [font=Lucida Sans Unicode][/font][b][/b][color=#000099][/color]
i'd say 555 timer. Bt it seem PIC is taking ova nw.

i dnt tink pic can overtake 555.over 1billion 555 are sold each year bt microchip has jst sold over 12billion pic.u cn check d site below
http://www.microchip.com/pagehandler/en-us/press-release/microchips-12-billionth-pic-mi.html

Mannynoel: [font=Lucida Sans Unicode][/font][b][/b][color=#000099][/color]
i'd say 555 timer. Bt it seem PIC is taking ova nw.

i dnt tink pic can overtake 555.over 1billion 555 are sold each year bt microchip has jst sold over 12billion pic.u cn check d site below
www.microchip.com/pagehandler/en-us/press-release/microchips-12-billionth-pic-mi.html