8-bit AVR RISC microcontroller featuring 64KB Flash program memory and 4KB RAM. This surface-mount device operates at up to 16 MHz and includes multiple interfaces such as I2C, SPI, USART, and USB. Housed in a 64-pin TQFP package with a 0.8mm pin pitch, it supports 48 programmable I/Os and 8 ADC channels. Operating voltage ranges from 3.3V to 5V with a maximum of 5.5V, and it functions within an industrial temperature range of -40°C to 85°C.
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| Basic Package Type | Lead-Frame SMT |
| Package Family Name | QFP |
| Package/Case | TQFP |
| Package Description | Thin Quad Flat Package |
| Lead Shape | Gull-wing |
| Pin Count | 64 |
| PCB | 64 |
| Package Length (mm) | 14.1(Max) |
| Package Width (mm) | 14.1(Max) |
| Package Height (mm) | 1.05(Max) |
| Seated Plane Height (mm) | 1.2(Max) |
| Pin Pitch (mm) | 0.8 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Jedec | MS-026AEB |
| Family Name | AT90 |
| Data Bus Width | 8bit |
| Instruction Set Architecture | RISC |
| Maximum Clock Rate | 16MHz |
| Maximum CPU Frequency | 16MHz |
| Device Core | AVR |
| Program Memory Type | Flash |
| Program Memory Size | 64KB |
| RAM Size | 4KB |
| Number of Programmable I/Os | 48 |
| Core Architecture | AVR |
| Programmability | Yes |
| Number of Timers | 4 |
| Interface Type | I2C/SPI/USART/USB |
| CAN | 0 |
| I2C | 1 |
| SPI | 1 |
| Ethernet | 0 |
| UART | 0 |
| USART | 1 |
| USB | 2 |
| 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 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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