| PartNumber | ATMEGA48PA-AN | ATMEGA48PA-ANR | ATMEGA48PA-AU |
| Description | 8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C | 8-bit Microcontrollers - MCU AVR 4KB FL 256B EE 512B SRAM 20MHz 105C | 8-bit Microcontrollers - MCU AVR 4KB FLASH 20 MHZ,IND TEMP |
| 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 | SMD/SMT |
| Package / Case | TQFP-32 | TQFP-32 | TQFP-32 |
| Series | ATmega48PA | ATmega48PA | ATmega48PA |
| Core | AVR | AVR | AVR |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 512 B | 512 B | 512 B |
| Number of I/Os | 23 I/O | 23 I/O | 23 I/O |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 105 C | + 105 C | + 85 C |
| Packaging | Tray | Reel | Tray |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Data RAM Type | EEPROM | EEPROM | SRAM |
| Interface Type | I2C, SPI, UART | I2C, SPI, UART | 2-Wire, SPI, USART |
| Moisture Sensitive | Yes | - | Yes |
| Processor Series | megaAVR | megaAVR | megaAVR |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 2000 | 250 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | AVR | AVR | AVR |
| Unit Weight | 0.002568 oz | 0.002568 oz | 0.002568 oz |
| Height | - | - | 1 mm |
| Length | - | - | 7 mm |
| Width | - | - | 7 mm |
| Data ROM Size | - | - | 256 B |
| Data ROM Type | - | - | EEPROM |
| Number of Timers/Counters | - | - | 3 Timer |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 1.8 V |