| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM8500 |  319Kb/20P | Four Wire Resistive Touchscreen Controller with Brownout |
| LM8500 |  327Kb/20P | Four Wire Resistive Touchscreen Controller with Brownout |
| LM8500HLQ9 |  327Kb/20P | Four Wire Resistive Touchscreen Controller with Brownout |
| LM8500HMT9 |  327Kb/20P | Four Wire Resistive Touchscreen Controller with Brownout |
| LM8500HVA9 |  327Kb/20P | Four Wire Resistive Touchscreen Controller with Brownout |
| LM8500ILQ9 |  327Kb/20P | Four Wire Resistive Touchscreen Controller with Brownout |
| LM8500IMT9 |  327Kb/20P | Four Wire Resistive Touchscreen Controller with Brownout |
 National Semiconductor ... | LM8500IVA9 |  327Kb/20P | Four Wire Resistive Touchscreen Controller with Brownout |