| 型号 | 制造商 | 描述 | 操作 |
| SN74H40N [更多] | Rochester Electronics LLC | 搜索 | |
| SN74H40N1 [更多] | Rochester Electronics LLC | 搜索 | |
| SN74H40N3 [更多] | Rochester Electronics LLC | 搜索 | |
| SN74H40NP1 [更多] | Rochester Electronics LLC | 搜索 | |
| SN74H40NP3 [更多] | Rochester Electronics LLC | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SN74H40N [更多] | Texas Instruments | Logic Circuit, Dual 4-Input NAND, H-TTL, 14 Pin, Plastic, DIP | 搜索 |
| SN74H40N [更多] | Texas Instruments | Logic Circuit, Dual 4-Input NAND, H-TTL, 14 Pin, Plastic, DIP | 搜索 |
| SN74H40N [更多] | Texas Instruments | Logic Circuit, Dual 4-Input NAND, H-TTL, 14 Pin, Plastic, DIP | 搜索 |
| SN74H40N [更多] | Texas Instruments | Logic Circuit, Dual 4-Input NAND, H-TTL, 14 Pin, Plastic, DIP | 搜索 |