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| Part Number | AT42QT1244-MU | AT42QT1245-MU | AT42QT1244-MUR | AT42QT1244-AU |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active |
| Type | Buttons | Buttons | Buttons | Buttons |
| Proximity Detection | No | No | No | No |
| Number of Inputs | Up to 24 | Up to 24 | Up to 24 | Up to 24 |
| LED Driver Channels | - | - | - | - |
| Interface | I²C | SPI | I²C | I²C |
| Resolution | 10 b | 10 b | 10 b | 10 b |
| Voltage - Supply | 3V ~ 5V | 3V ~ 5V | 3V ~ 5V | 3V ~ 5V |
| Current - Supply | 6.6mA | 6.6mA | 6.6mA | 6.6mA |
| Operating Temperature | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C | -40°C ~ 105°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-TQFP |
| Supplier Device Package | 32-VQFN (5x5) | 32-VQFN (5x5) | 32-VQFN (5x5) | 32-TQFP (7x7) |
