| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM1800 |  108Kb/4P | LM1800 Phase-Locked Loop FM Stereo Demodulator |
| LM1800N |  108Kb/4P | LM1800 Phase-Locked Loop FM Stereo Demodulator |
| LM1801 |  235Kb/8P | BATTERY OPERATED POWER COMPARATOR |
| LM1801N |  235Kb/8P | BATTERY OPERATED POWER COMPARATOR |
 National Semiconductor ... | LM1812 |  496Kb/8P | ULTRASONIC TRANSCEIVER |
| LM1812 |  179Kb/10P | Ultrasonic Transceiver April 1989 |
| LM1812N |  179Kb/10P | Ultrasonic Transceiver April 1989 |
| LM1812 |  179Kb/10P | Ultrasonic Transceiver April 1989 |
| LM1815 |  133Kb/6P | Adaptive Variable Reluctance Sensor Amplifier |