| 型号 | 制造商 | 描述 | 操作 |
| SN74ALS621ADWR [更多] | Texas Instruments | Bus Transceivers OCTAL BUS TRANSCEIVER RoHS: Compliant | 搜索 |
| SN74ALS621ADWRE4 [更多] | Texas Instruments | Bus Transceivers OCTAL BUS TRANSCEIVER RoHS: Compliant | 搜索 |
| SN74ALS621ADWRG4 [更多] | Texas Instruments | Bus Transceivers OCTAL BUS TRANSCEIVER RoHS: Compliant | 搜索 |