S2 | 1 • | 16 | Vcc |

B2 | 2 | 15 | B3 |

A2 | 3 | 14 | A3 |

S1 | 4 | 13 | S3 |

A1 | 5 | 12 | A4 |

B1 | 6 | 11 | B4 |

CIN | 7 | 10 | S4 |

GND | 8 | 9 | COUT |

Pin | Symbol | Description |
---|---|---|

1 | S2 | sum output |

2 | B2 | B operand input |

3 | A2 | A operand input |

4 | S1 | sum output |

5 | A1 | A operand input |

6 | B1 | B operand input |

7 | CIN | carry input |

8 | GND | ground |

9 | COUT | carry output |

10 | S4 | sum output |

11 | B4 | B operand input |

12 | A4 | A operand input |

13 | S3 | sum output |

14 | A3 | A operand input |

15 | B3 | B operand input |

16 | Vcc | supply voltage |

Parameter | Value | Unit |
---|---|---|

Propagation delay, CIN to S1 | 16 (74HC) 15 (74HCT) | ns |

Propagation delay, CIN to S2 | 18 (74HC) 21 (74HCT) | ns |

Propagation delay, CIN to S3 | 20 (74HC) 23 (74HCT) | ns |

Propagation delay, CIN to S4 | 23 (74HC) 27 (74HCT) | ns |

Propagation delay, An, Bn to Sn | 21 (74HC) 25 (74HCT) | ns |

Propagation delay, CIN to COUT | 20 (74HC) 23 (74HCT) | ns |

Propagation delay, An, Bn to COUT | 20 (74HC) 24 (74HCT) | ns |

**Note: **Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.