| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | MM5837N |  53Kb/2P | Digital Noise Source |
 National Semiconductor ... | MM58341 |  147Kb/6P | High Voltage Display Driver |
| MM58341N |  147Kb/6P | High Voltage Display Driver |
| MM58341V |  147Kb/6P | High Voltage Display Driver |
 National Semiconductor ... | MM58342 |  165Kb/7P | MM58342 High Voltage Display Driver |
| MM58342N |  165Kb/7P | MM58342 High Voltage Display Driver |
| MM58342V |  165Kb/7P | MM58342 High Voltage Display Driver |
| MM58348 |  142Kb/6P | MM58348 High Voltage Display Driver |
| MM58348N |  142Kb/6P | MM58348 High Voltage Display Driver |
| MM58348V |  142Kb/6P | MM58348 High Voltage Display Driver |
| MM5837 |  53Kb/2P | Digital Noise Source |
| MM58167 |  173Kb/10P | Microprocessor Real Time Clock |
| MM58167B |  173Kb/10P | Microprocessor Real Time Clock |
| MM58167BN |  173Kb/10P | Microprocessor Real Time Clock |
| MM58167BV |  173Kb/10P | Microprocessor Real Time Clock |
| MM58174 |  130Kb/8P | Microprocessor-Compatible Real-Time Clock |
| MM58174A |  130Kb/8P | Microprocessor-Compatible Real-Time Clock |
| MM58174AN |  130Kb/8P | Microprocessor-Compatible Real-Time Clock |
| MM58201 |  151Kb/8P | Multiplexed LCD Driver |