| PartNumber | ATMEGA48PB-MN | ATMEGA48PB-MU | ATMEGA48PB-MNR |
| Description | 8-bit Microcontrollers - MCU 20 MHZ, QFN/MLF, 105C, GREEN | 8-bit Microcontrollers - MCU 4KB 256B 512B 20 MHZ QFN/MLF GRN | 8-bit Microcontrollers - MCU 20 MHZ, QFN/MLF, 105C, GREEN, T&R |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | VQFN-32 | VFQFN-32 | VQFN-32 |
| Series | ATmega48PB | ATmega48PB | ATmega48PB |
| Core | AVR | AVR | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 20 MHz | 20 MHz | - |
| Program Memory Size | 4 kB | 4 kB | - |
| Data RAM Size | 512 B | 512 B | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 27 I/O | 27 I/O | - |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 85 C | - |
| Packaging | Tray | Tray | Reel |
| Product | MCU | MCU | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 256 B | 256 B | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | - |
| Analog Supply Voltage | 1.8 V to 5.5 V | - | - |
| Moisture Sensitive | Yes | Yes | - |
| Number of ADC Channels | 8 Channel | 8 Channel | - |
| Number of Timers/Counters | 2 x 8 bit/1 x 16 bit | 2 x 8 bit, 1 x 16 bit | - |
| Processor Series | megaAVR | megaAVR | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 490 | 6000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 1.8 V | 1.8 V | - |
| Tradename | AVR | AVR | AVR |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Unit Weight | 0.002162 oz | 0.002162 oz | - |