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 | LSTTL | |
| 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
- 工作温度 TA
- SN74HC14
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 |
|---|---|---|---|---|---|---|
| T | = 25°C | SN54HC14 | SN74HC14 | |||
| 2 V 0.7 | 1.2 | 1.5 | 0.7 | 1.5 | 0.7 | 1.5 |
| VV 4.5 V 1.55 | 2.5 | 3.15 | 1.55 | 3.15 | 1.55 | 3.15 VV |
| 6 V 2.1 | 3.3 | 4.2 | 2.1 | 4.2 | 2.1 | 4.2 |
| 2 V 0.3 | 0.6 | 1 | 0.3 | 1 | 0.3 | 1 |
| VV 4.5 V 0.9 | 1.6 | 2.45 | 0.9 | 2.45 | 0.9 | 2.45 VV |
| 6 V 1.2 | 2 | 3.2 | 1.2 | 3.2 | 1.2 | 3.2 |
| 2 V 0.2 | 0.6 | 1.2 | 0.2 | 1.2 | 0.2 | 1.2 |
| VV − VV 4.5 V 0.4 | 0.9 | 2.1 | 0.4 | 2.1 | 0.4 | 2.1 VV |
| 6 V 0.5 | 1.3 | 2.5 | 0.5 | 2.5 | 0.5 | 2.5 |
| 2 V 1.9 | 1.998 | 1.9 | 1.9 | |||
| II = −2200 μμAA 4.5 V 4.4 | 4.499 | 4.4 | 4.4 | |||
| VV VV = VV oorr VV 6 V 5.9 | 5.999 | 5.9 | 5.9 | VV | ||
| I = −4 mA 4.5 V 3.98 | 4.3 | 3.7 | 3.84 | |||
| I = −5.2 mA 6 V 5.48 | 5.8 | 5.2 | 5.34 | |||
| 2 V | 0.002 | 0.1 | 0.1 | 0.1 | ||
| II = 2200 μμAA 4.5 V | 0.001 | 0.1 | 0.1 | 0.1 | ||
| VV VV = VV oorr VV 6 V | 0.001 | 0.1 | 0.1 | 0.1 VV | ||
| I = 4 mA 4.5 V | 0.17 | 0.26 | 0.4 | 0.33 | ||
| I = 5.2 mA 6 V | 0.15 | 0.26 | 0.4 | 0.33 | ||
| I V = V or 0 6 V | ±0.1 | ±100 | ±1000 | ±1000 nA | ||
| I V = V or 0, I = 0 6 V | 2 | 40 | 20 μA | |||
| C 2 V to 6 V | 3 | 10 | 10 | 10 pF | ||
| switching characteristics over recommended operating | free-air | temperature | range, | C = 50 pF | ||
| FFRROOMM TTOO T | A = 25°C | SN54HC14 | SN74HC14 | |||
| 2 V | 55 | 125 | 190 | 155 | ||
| tt AA YY 4.5 V | 12 | 25 | 38 | 31 nnss | ||
| 6 V | 11 | 21 | 32 | 26 | ||
| 2 V | 38 | 75 | 110 | 95 | ||
| t Y 4.5 V | 8 | 15 | 22 | 19 ns | ||
| 6 V | 6 | 13 | 19 | 16 | ||
| C Power dissipation capacitance per inverter | No load | 20 pF | ||||
| POST OFFICE BOX 655303 DALLAS, | TEXAS 75265 | 3 |