Practical Electronics/Logic symbols

This page shows the ANSI, IEC and DIN symbols for the eight major logic gates: NOT, AND, NAND, OR, NOR, XOR, XNOR and the buffer.

Gate	ANSI/MIL	IEC	DIN	British (BS 3939)
Buffer
NOT
AND
NAND
OR
NOR
XOR
XNOR