The SN75ALS171 and the SN75ALS171A operate from a single 5-V power supply. The drivers and receivers have individual active-high and active-low enables, respectively, which can be externally connected together to function as a direction control.
| 器件型号 | 名称 | 产品系列 |
| SN75ALS171A | 瞬态电压抑制差动收发器 | RS-485 |
