| DS1691A | National Semiconductor | RS-422/RS-423 Line Drivers With TRI-STATE Outputs |
| 5962-8672101EA | National Semiconductor | RS-422/RS-423 Line Drivers With TRI-STATE Outputs |
| DS1691AJ/883 | National Semiconductor | |
| DS3691 | National Semiconductor | RS-422/RS-423 Line Drivers With TRI-STATE Outputs |
| DS3691M | National Semiconductor | RS-422/RS-423 Line Drivers With TRI-STATE Outputs |
| DS3691MX | National Semiconductor | RS-422/RS-423 Line Drivers With TRI-STATE Outputs |
| DS3691N | National Semiconductor | RS-422/RS-423 Line Drivers With TRI-STATE Outputs |