| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM74C915 |  214Kb/4P | MM54C915/MM74C915 7-Segment-to-BCD Converter |
 National Semiconductor ... | MM74C912 |  482Kb/6P | 6-BIT BCD/HEX DISPLAY CONTROLLER/DRIVER |
 National Semiconductor ... | MM74C914J |  116Kb/4P | Hex Schmitt Trigger with Extended Input Voltage |
 National Semiconductor ... | MM74C914N |  116Kb/4P | Hex Schmitt Trigger with Extended Input Voltage |
 National Semiconductor ... | MM74C917 |  482Kb/6P | 6-BIT BCD/HEX DISPLAY CONTROLLER/DRIVER |
| MM74C918 |  153Kb/6P | Dual CMOS 30V Relay Driver |
| MM74C918J |  153Kb/6P | Dual CMOS 30V Relay Driver |
| MM74C918N |  153Kb/6P | Dual CMOS 30V Relay Driver |
 National Semiconductor ... | MM74C901 |  136Kb/6P | Hex Inverting TTL, Non-Inverting TTL, Inverting CMOS, Non-Inverting CMOS Buffer |