4555 - (2x) 1-of-4 decoder/demultiplexer

symbol

www.NanoBob.com 2 A 3 B 1 /E 4 Q0 5 Q1 6 Q2 7 Q3 14 A 13 B 15 /E 12 Q0 11 Q1 10 Q2 9 Q3

function table

/OEAB Q0Q1Q2Q3
1XX 0000
000 1000
001 0100
010 0010
011 0001

pin types

0 digital input (inverted) 0 digital output (inverted) 0 digital input-output (bidir) 0 analog (input or output) 0 positive power 0 ground 0 negative power