| PartNumber | ATMEGA256RZBV-8AU | ATMEGA256RZAV-8AU | ATMEGA256RZAV-8MU |
| Description | RF Microcontrollers - MCU AVR Z-Link Bundle | RF Microcontrollers - MCU AVR Z-Link Bundle | RF Microcontrollers - MCU AVR Z-Link Bundle |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Core | AVR | AVR | AVR |
| Operating Frequency | 2.4 GHz | 2.4 GHz | 2.4 GHz |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Program Memory Size | 256 kB | 256 kB | 256 kB |
| Data RAM Size | 8 kB | 8 kB | 8 kB |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Package / Case | TQFP-100 | TQFP-100 | LQFN-64 |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Series | ATmega256RZB | ATmega256RZA | ATmega256RZA |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Interface Type | JTAG, SPI | JTAG, SPI | JTAG, SPI |
| Number of I/Os | 86 I/O | 54 I/O | 54 I/O |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers | 6 Timer | 6 Timer | 6 Timer |
| Processor Series | ATmega2560/V | ATmega2560/V | ATmega2560/V |
| Product Type | RF Microcontrollers - MCU | RF Microcontrollers - MCU | RF Microcontrollers - MCU |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.023175 oz | 0.023175 oz | - |
| Packaging | - | Bulk | - |