| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DS88C20 |  109Kb/6P | Dual CMOS Compatible Differential Line Receiver |
| DS88C20N |  109Kb/6P | Dual CMOS Compatible Differential Line Receiver |
 National Semiconductor ... | DS88C20N |  109Kb/6P | Dual CMOS Compatible Differential Line Receiver |
| DS88C120 |  197Kb/10P | Dual CMOS Compatible Differential Line Receiver |
| DS88C120N |  197Kb/10P | Dual CMOS Compatible Differential Line Receiver |
| DS8800 |  108Kb/4P | Dual Voltage Level Translator |
| DS8800H |  108Kb/4P | Dual Voltage Level Translator |
 National Semiconductor ... | DS8820 |  250Kb/8P | Dual Line Receiver |
| DS8820 |  123Kb/6P | Dual Line Receiver February 1996 |
 National Semiconductor ... | DS8820AN |  250Kb/8P | Dual Line Receiver |
 National Semiconductor ... | DS8820N |  123Kb/6P | Dual Line Receiver February 1996 |