产品应用与封装尺寸
图纸取自原厂规格书，点击可放大查看原始尺寸标注。
引脚定义与内部结构
| 引脚 | 符号 | 名称 |
|---|---|---|
| 8 | 4Y | |
| 9 | 4A | |
| 10 | 5Y | |
| 11 | 5A | |
| 12 | 6Y | |
| 13 | 6A | |
| 14 | V | |
| 15 | NC | |
| 16 | 5A | |
| 17 | NC | |
| 18 | 6Y |
数据来源：原厂规格书引脚图
关键参数速览
- 电源电压 VCC
- ±1 µA
- 工作温度 TA
- SN74ACT14
电气特性 Electrical Characteristics（TA = 25°C）
| 最小 | 典型 | 最大 | 最小2 | 最大2 | 最小3 | 最大3 |
|---|---|---|---|---|---|---|
| TA | = 25°C | SN54ACT14 | SN74ACT14 | |||
| VVTT++ 4.5 V 1.2 | 1.5 | 1.9 | 1.2 | 1.9 | 1.2 | 1.9 |
| Positive-going threshold 5.5 V 1.4 | 1.7 | 2.1 | 1.4 | 2.1 | 1.4 | 2.1 |
| VVTT−− 4.5 V 0.5 | 0.9 | 1.2 | 0.5 | 1.2 | 0.5 | 1.2 |
| Negative-going threshold 5.5 V 0.6 | 1 | 1.4 | 0.6 | 1.4 | 0.6 | 1.4 |
| ∆∆VVTT 4.5 V 0.4 | 0.6 | 1.4 | 0.4 | 1.4 | 0.4 | 1.4 |
| Hysteresis (VT+ − VT−) 5.5 V 0.4 | 0.6 | 1.5 | 0.4 | 1.5 | 0.4 | 1.5 |
| 4.5 V 4.4 | 4.49 | 4.4 | 4.4 | |||
| 5.5 V 5.4 | 5.49 | 5.4 | 5.4 | |||
| VVOOHH IIOOHH == −−2244 mmAA | VV | |||||
| IOH = −50 mA† 5.5 V | 3.85 | |||||
| IOH = −75 mA† 5.5 V | 3.85 | |||||
| 4.5 V | 0.001 | 0.1 | 0.1 | 0.1 | ||
| 5.5 V | 0.001 | 0.1 | 0.1 | 0.1 | ||
| 4.5 V | 0.36 | 0.5 | 0.44 | |||
| VVOOLL IIOOLL == 2244 mmAA | VV | |||||
| 5.5 V | 0.36 | 0.5 | 0.44 | |||
| IOL = 50 mA† 5.5 V | 1.65 | |||||
| IOL = 75 mA† 5.5 V | 1.65 | |||||
| II VI = VCC or GND 5.5 V | ±0.1 | ±1 | ±1 µA | |||
| ICC VI = VCC or GND, IO = 0 5.5 V | 2 | 40 | 20 µA | |||
| ∆ICC ‡ 5.5 V | 0.6 | 1.6 | 1.5 mA | |||
| Ci VI = VCC or GND 5 V | 4.5 | pF | ||||
| switching characteristics over recommended operating | free-air | temperature | range, | |||
| FFRROOMM TTOO | TA = | 25°C | SN54ACT14 | SN74ACT14 | ||
| tPLH | 1.5 | 11.5 | 1 | 14 | 1 | 12.5 |
| tPHL | 1.5 | 10 | 1 | 13 | 1 | 11 |
| Cpd Power dissipation capacitance | CL | = 50 pF, | f = 1 | MHz | 20 pF | |
| POST OFFICE BOX 655303 DALLAS, | TEXAS 75265 | 3 |