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| PartNumber | ATUC64D4-AUT | ATUC64D4-AUR | ATUC64D4-U |
| Description | 32-bit Microcontrollers - MCU UC3D4 64KB FL 85C | 32-bit Microcontrollers - MCU UC3D4 64KB FL 85C | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-48 | - | - |
| Series | UC3 D | UC3 D | - |
| Core | AVR | AVR | - |
| Data Bus Width | 32 bit | 32 bit | - |
| Maximum Clock Frequency | 48 MHz | - | - |
| Program Memory Size | 64 kB | - | - |
| Data RAM Size | 16 kB | - | - |
| Operating Supply Voltage | 3.6 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | Reel | - |
| Product | MCU | MCU | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Moisture Sensitive | Yes | - | - |
| Processor Series | ATUC | ATUC | - |
| Product Type | 32-bit Microcontrollers - MCU | 32-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 250 | 2500 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | UC3 | UC3 | - |
| Unit Weight | 0.319998 oz | - | - |