Digital Logic Gates

Buffer Y = a
Inverter Y = a'
AND Y = ab
NAND Y = (ab)'
OR Y = a+b
NOR Y = (a+b)'
XOR
Exclusive OR
Y = ab'+a'b
= aÅb
NXOR
Exclusive NOR
Y = ab + a'b'
= aÄb

NXOR (Exclusive NOR) is also called equivalence. It returns 1 if a==b and 0 otherwise.


Maintained by John Loomis, last updated 11 Sept 1999