| 型号 | 制造商 | 描述 | 操作 |
| SN74ALS621A-1NSR [更多] | Texas Instruments | Bus Transceivers Octal Bus Trnscvr IOL=48mA O.C. RoHS: Compliant | 搜索 |
| SN74ALS621A-1NSRG4 [更多] | Texas Instruments | Bus Transceivers OCTAL BUS TRANSCEIVER RoHS: Compliant | 搜索 |
| SN74ALS621A-1NSRE4 [更多] | Texas Instruments | Bus Transceivers Octal Bus Trnscvr IOL=48mA O.C. RoHS: Compliant | 搜索 |