8-bit AVR RISC microcontroller featuring 128KB Flash program memory and 16KB RAM. This through-hole component offers a 40-pin PDIP W package with a 2.54mm pin pitch, supporting operating voltages of 2.5V, 3.3V, and 5V, with a maximum supply voltage of 5.5V. It operates at a maximum clock rate of 20 MHz and includes 3 timers, 32 programmable I/Os, and 8 ADC channels. Interfaces include SPI and 2 USARTs, with an operating temperature range of -40°C to 85°C.
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| Basic Package Type | Through Hole |
| Package Family Name | DIP |
| Package/Case | PDIP W |
| Package Description | Plastic Dual In Line Package |
| Lead Shape | Through Hole |
| Pin Count | 40 |
| PCB | 40 |
| Package Length (mm) | 52.6(Max) |
| Package Width (mm) | 14.4(Max) |
| Package Height (mm) | 3.94(Max) |
| Seated Plane Height (mm) | 4.83(Max) |
| Pin Pitch (mm) | 2.54 |
| Package Material | Plastic |
| Mounting | Through Hole |
| Jedec | MS-011AC |
| Family Name | ATmega |
| Data Bus Width | 8bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 20MHz |
| Maximum CPU Frequency | 20MHz |
| Device Core | AVR |
| Program Memory Type | Flash |
| Program Memory Size | 128KB |
| RAM Size | 16KB |
| Number of Programmable I/Os | 32 |
| Core Architecture | AVR |
| Programmability | Yes |
| Number of Timers | 3 |
| Interface Type | SPI/USART |
| CAN | 0 |
| I2C | 0 |
| SPI | 1 |
| Ethernet | 0 |
| UART | 0 |
| USART | 2 |
| USB | 0 |
| I2S | 0 |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| ADC Channels | 8 |
| Number of ADCs | Single |
| Cage Code | 60991 |
| EU RoHS | Yes |
| HTS Code | 8542310001 |
| Schedule B | 8542310000 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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