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| PartNumber | ATMEGA48-20AU | ATMEGA48-20AI | ATMEGA48-20AJ |
| Description | 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins | IC MCU 8BIT 4KB FLASH 32TQFP | IC MCU 8BIT 4KB FLASH 32TQFP |
| Manufacturer | Microchip | Atmel | - |
| Product Category | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-32 | - | - |
| Series | ATmega48 | AVRR ATmega | - |
| Core | AVR | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 20 MHz | - | - |
| Program Memory Size | 4 kB | 4KB (2K x 16) | - |
| Data RAM Size | 512 B | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 23 I/O | - | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | Tray | - |
| Height | 1 mm | - | - |
| Length | 7 mm | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | FLASH | - |
| Width | 7 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 512 B | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | I2C, SPI, USART | - | - |
| Analog Supply Voltage | 1.8 V to 5.5 V | - | - |
| DAC Resolution | - | - | - |
| I/O Voltage | 1.8 V to 5.5 V | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8 Channel | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | megaAVR | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 250 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Tradename | AVR | - | - |
| Watchdog Timers | Watchdog Timer | - | - |
| Unit Weight | 0.002568 oz | - | - |
| Package Case | - | 32-TQFP | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Supplier Device Package | - | 32-TQFP (7x7) | - |
| Number of I O | - | 23 | - |
| Speed | - | 20MHz | - |
| EEPROM Size | - | 256 x 8 | - |
| Core Processor | - | AVR | - |
| RAM Size | - | 512 x 8 | - |
| Peripherals | - | Brown-out Detect/Reset, POR, PWM, WDT | - |
| Connectivity | - | I2C, SPI, UART/USART | - |
| Voltage Supply Vcc Vdd | - | 2.7 V ~ 5.5 V | - |
| Core Size | - | 8-Bit | - |
| Data Converters | - | A/D 8x10b | - |
| Oscillator Type | - | Internal | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology / Atmel |
ATMEGA48-20AU | 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins | |
| ATMEGA48-20AUR | 8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B EE 20MHZ IND | ||
| ATMEGA48-20AUR SL044 | MCU 8-Bit ATmega AVR RISC 4KB Flash 3.3V/5V 32-Pin TQFP T/R - Tape and Reel (Alt: ATMEGA48-20AUR SL044) | ||
| ATMEGA48-20AUR | Microcontrollers - MCU 8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B EE 20MHZ IND | ||
| ATMEGA48-20AU | Microcontrollers - MCU 8-bit Microcontrollers - MCU 4kB Flash 0.256kB EEPROM 23 I/O Pins | ||
| ATMEGA48-20AI | IC MCU 8BIT 4KB FLASH 32TQFP | ||
| ATMEGA48-20AJ | IC MCU 8BIT 4KB FLASH 32TQFP | ||
| ATMEGA48-20AU: | New and Original |