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| PartNumber | ATMEGA48-20MU | ATMEGA48-20MMU | ATMEGA48-20MMH |
| Description | 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins | 8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 512B SRAM ADC 5V | 8-bit Microcontrollers - MCU 4K FLASH 256B EE 512B RAM |
| 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 | MLF-32 | MLF-28 | VQFN-28 |
| Series | ATmega48 | ATmega48 | ATmega48 |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 16 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 512 B | 512 B | - |
| ADC Resolution | 10 bit | 10 bit | - |
| Number of I/Os | 23 I/O | 23 I/O | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | Tray |
| Height | 0.88 mm | 0.88 mm | - |
| Length | 5 mm | 4 mm | - |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Width | 5 mm | 4 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | SRAM | SRAM | - |
| Data ROM Size | 512 B | 512 B | - |
| Data ROM Type | EEPROM | EEPROM | - |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | - |
| Analog Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| DAC Resolution | - | - | - |
| I/O Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| Number of ADC Channels | 8 Channel | 8 Channel | - |
| Number of Timers/Counters | 3 Timer | 3 Timer | - |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 490 | 490 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Tradename | AVR | AVR | AVR |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | - |
| Unit Weight | 0.024339 oz | - | - |
| Moisture Sensitive | - | Yes | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATMEGA48-20MU | 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins | |
| ATMEGA48-20MUR | 8-bit Microcontrollers - MCU AVR 4KB FLSH 256B EE 512B EE-20MHZ 5V | ||
| ATMEGA48-20MMU | 8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 512B SRAM ADC 5V | ||
| ATMEGA48-20MMH | 8-bit Microcontrollers - MCU 4K FLASH 256B EE 512B RAM | ||
| ATMEGA48-20MJ | IC MCU 8BIT 4KB FLASH 32VQFN | ||
| ATMEGA48-20MUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 4KB FLSH 256B EE 512B EE-20MHZ 5V | ||
| ATMEGA48-20MMH | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4K FLASH 256B EE 512B RAM | ||
| ATMEGA48-20MMU | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 4K FLSH 256B EE 512B SRAM ADC 5V | ||
| ATMEGA48-20MU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins | ||
| ATMEGA48-20MI | IC MCU 8BIT 4KB FLASH 32VQFN |