| 型号 | 制造商 | 描述 | 操作 |
| SN74LS55N [更多] | Rochester Electronics LLC |
| 搜索 |
| SN74LS55N1 [更多] | Rochester Electronics LLC |
| 搜索 |
| SN74LS55N3 [更多] | Rochester Electronics LLC |
| 搜索 |
| SN74LS55NP1 [更多] | Rochester Electronics LLC |
| 搜索 |
| SN74LS55NP3 [更多] | Rochester Electronics LLC |
| 搜索 |
