In a typical differential SCSI node, the SCSI controller provides the enables for each external RS-485 transceiver. This could require as many as 27 additional terminals for a 16-bit differential bus controller or relegate a 16-bit single-ended controller to only an 8-bit differential bus.
| 器件型号 | 名称 | 产品系列 |
| SN75970B | SCSI 差动转换器控制 | RS-485 |
