| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM78C29 |  157Kb/8P | Quad Single-Ended, Dual Differential Line Driver |
| MM78C29J |  157Kb/8P | Quad Single-Ended, Dual Differential Line Driver |
| MM78C29N |  157Kb/8P | Quad Single-Ended, Dual Differential Line Driver |
 National Semiconductor ... | MM78C29J |  157Kb/8P | Quad Single-Ended, Dual Differential Line Driver |
| MM78C29N |  157Kb/8P | Quad Single-Ended, Dual Differential Line Driver |
| MM78C30 |  157Kb/8P | Quad Single-Ended, Dual Differential Line Driver |
| MM78C30J |  157Kb/8P | Quad Single-Ended, Dual Differential Line Driver |
| MM78C30N |  157Kb/8P | Quad Single-Ended, Dual Differential Line Driver |