NAND gate can be constructed by chaining an AND gate and a NOT gate in series. This means the truth table of a NAND gate is the inverse of an AND gate. i.e. The output is 'NOT' true when input one 'AND' input two are true.

Truth Table | ||
---|---|---|

Input One | Input Two | Output |

0 | 0 | 1 |

1 | 0 | 1 |

0 | 1 | 1 |

1 | 1 | 0 |