The transceivers of the SN55173 can be enabled to function as totem-pole or open-drain outputs. The open-drain mode drives the wired-OR lines of SCSI (BSY, SEL, and RST) by inputting the data to the direction control input DE/RE instead of the A input.
| 器件型号 | 名称 | 产品系列 |
| SN55173 | 四路差动线路接收器 | RS-485 |
