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| PartNumber | ATMEGA128A-AU | ATMEGA128A-AU/AUR | ATMEGA128A-AU(ATMEGA128A |
| Description | 8-bit Microcontrollers - MCU 128K Flash 4K EEPROM 4K SRAM 53 IO Pins | ||
| Manufacturer | Microchip | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | TQFP-64 | - | - |
| Series | ATmega128A | - | - |
| Core | AVR | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 16 MHz | - | - |
| Program Memory Size | 128 kB | - | - |
| Data RAM Size | 4 kB | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 53 I/O | - | - |
| Operating Supply Voltage | 2.7 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Height | 1 mm | - | - |
| Length | 14 mm | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Width | 14 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 4 kB | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | JTAG | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of ADC Channels | 8 | - | - |
| Number of Timers/Counters | 4 Timer | - | - |
| Processor Series | megaAVR | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 90 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Tradename | AVR | - | - |
| Unit Weight | 0.012720 oz | - | - |