4078 - 8-input NOR/OR

symbol

function table

ABCDEFGH Y/Y
HXXXXXXX HL
XHXXXXXX HL
XXHXXXXX HL
XXXHXXXX HL
XXXXHXXX HL
XXXXXHXX HL
XXXXXXHX HL
XXXXXXXH HL
LLLLLLLL LH

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