| 型号 | 制造商 | 描述 | 操作 |
| MAX239EWG+T [更多] | Maxim Integrated Products | RS-232 Interface IC 5V MultiCh RS-232 Driver/Receiver RoHS: Compliant | 搜索 |
| MAX239EWG-T [更多] | Maxim Integrated Products | RS-232 Interface IC +5V and +12V Pwrd, 3 RS-232 Xmttrs and 5 RS-232 Rcvrs w/Rcvr Enable | 搜索 |