| PartNumber | AT42QT1244-AU | AT42QT1244-AUR | AT42QT1244-MU |
| Description | Capacitive Touch Sensors QMatrix FMEA 24 Key Sensor IC | Capacitive Touch Sensors 8KB 512B 1KB24-key FMEA IEC/UL60730 | Capacitive Touch Sensors QMatrix FMEA 24 Key Sensor IC |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Capacitive Touch Sensors | Capacitive Touch Sensors | Capacitive Touch Sensors |
| RoHS | Y | Y | Y |
| Sensor Type | Button | Button | Button |
| Number of Channels | 24 Channel | 24 Channel | 24 Channel |
| Interface Type | I2C | I2C | I2C |
| Package / Case | TQFP-32 | TQFP-32 | VQFN-32 |
| Packaging | Tray | Reel | Tray |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Product Type | Touch Sensors | Touch Sensors | Touch Sensors |
| Factory Pack Quantity | 250 | 2000 | 490 |
| Subcategory | Sensors | Sensors | Sensors |
| Moisture Sensitive | - | Yes | Yes |
| Unit Weight | - | - | 0.002145 oz |