Practical Electronics/Logic symbols

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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 Buffer ANSI.svg Buffer IEC.svg Buffer DIN.svg Buffer BS.svg
NOT NOT ANSI.svg NOT IEC.svg NOT DIN.svg NOT BS.svg
AND AND ANSI.svg AND IEC.svg AND DIN.svg AND BS.svg
NAND NAND ANSI.svg NAND IEC.svg NAND DIN.svg NAND BS.svg
OR OR ANSI.svg OR IEC.svg OR DIN.svg OR BS.svg
NOR NOR ANSI.svg NOR IEC.svg NOR DIN.svg NOR BS.svg
XOR XOR ANSI.svg XOR IEC.svg XOR DIN.svg XOR BS.svg
XOR DIN 2.svg
XNOR XNOR ANSI.svg XNOR IEC.svg XNOR DIN.svg XNOR BS.svg
XNOR DIN 2.svg