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| PartNumber | ATMEGA256RFR2-ZUR | ATMEGA256RFR2-ZU | ATMEGA256RFR2-ZU QFN64 |
| Description | RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC T&R | RF Microcontrollers - MCU 2.4GHZ 802.15.4 256K SOC Tray | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | RF Microcontrollers - MCU | RF Microcontrollers - MCU | - |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Program Memory Size | 256 kB | 256 kB | - |
| Data RAM Size | 32 kB | 32 kB | - |
| Maximum Clock Frequency | 16 MHz | 16 MHz | - |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Package / Case | QFN-64 | QFN-64 | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Packaging | Reel | Tray | - |
| Series | ATmega256RF | ATmega256RF | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Product Type | RF Microcontrollers - MCU | RF Microcontrollers - MCU | - |
| Factory Pack Quantity | 4000 | 260 | - |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | - |
| Tradename | AVR | AVR | - |
| Unit Weight | 0.007277 oz | 0.007277 oz | - |
| RoHS | - | Y | - |
| Operating Frequency | - | 2.4 GHz | - |
| Program Memory Type | - | Flash | - |
| Interface Type | - | JTAG, SPI, I2C, UART | - |
| Number of I/Os | - | 38 I/O | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Moisture Sensitive | - | Yes | - |
| NF Noise Figure | - | 6 dB | - |
| Number of Timers | - | 6 Timer | - |
| Processor Series | - | ATMEGA256 | - |