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| PartNumber | ATMEGA328P-MU | ATMEGA328P-MU , P4SMA-15 | ATMEGA328P-MU , P4SMA-150A |
| Description | 8-bit Microcontrollers - MCU 32KB In-system Flash 20MHz 1.8V-5.5V | ||
| Manufacturer | Microchip | - | - |
| Product Category | 8-bit Microcontrollers - MCU | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | MLF-32 | - | - |
| Series | ATmega328P | - | - |
| Core | AVR | - | - |
| Data Bus Width | 8 bit | - | - |
| Maximum Clock Frequency | 20 MHz | - | - |
| Program Memory Size | 32 kB | - | - |
| Data RAM Size | 2 kB | - | - |
| ADC Resolution | 10 bit | - | - |
| Number of I/Os | 23 I/O | - | - |
| Operating Supply Voltage | 1.8 V to 5.5 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Packaging | Tray | - | - |
| Height | 0.88 mm | - | - |
| Length | 5 mm | - | - |
| Product | MCU | - | - |
| Program Memory Type | Flash | - | - |
| Width | 5 mm | - | - |
| Brand | Microchip Technology / Atmel | - | - |
| Data RAM Type | SRAM | - | - |
| Data ROM Size | 1 kB | - | - |
| Data ROM Type | EEPROM | - | - |
| Interface Type | I2C, SPI, USART | - | - |
| Number of ADC Channels | 8 | - | - |
| Number of Timers/Counters | 3 Timer | - | - |
| Processor Series | megaAVR | - | - |
| Product Type | 8-bit Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 490 | - | - |
| Subcategory | Microcontrollers - MCU | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 1.8 V | - | - |
| Tradename | AVR | - | - |
| Unit Weight | 0.038801 oz | - | - |