| производитель | номер детали | датащи | подробное описание детали |
 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 |
 National Semiconductor ... | LM1815 |  133Kb/6P | Adaptive Variable Reluctance Sensor Amplifier |
 National Semiconductor ... | LM1815EP |  441Kb/12P | Enhanced Plastic Adaptive Variable Reluctance Sensor Amplifier |
 National Semiconductor ... | LM1815M |  133Kb/6P | Adaptive Variable Reluctance Sensor Amplifier |