Microchip Technology ATMEGA644-20AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.67 | $6.67 |
| 15+ | $6.46 | $96.90 |
| 25+ | $6.32 | $158.00 |
| 50+ | $5.97 | $298.50 |
| 100+ | $5.27 | $527.00 |
| N+ | $1.05 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 64KB (32K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-TQFP (10x10) |
| Package / Case | 44-TQFP |
| ROHS |  |
The Microchip ATMEGA644-20AUR is a high-performance 8-bit AVR microcontroller. It features 64KB of flash and 4KB of RAM, operating at up to 20 MHz. With a wide supply voltage range of 2.7V to 5.5V, it offers design flexibility. The 44-TQFP package is suitable for a variety of applications, from industrial control to consumer electronics.
- High speed for 8-bit: 20 MHz enables fast processing and real-time control.
- Wide voltage compatibility: 2.7V to 5.5V simplifies system power design.
- Large flash memory: 64KB supports complex firmware and data storage.
- Mature AVR ecosystem: Extensive tools and libraries accelerate development.
3D Printer Controllers
With 20 MHz speed and 4KB RAM, it can handle stepper motor control and G-code interpretation.
Automotive Aftermarket Sensors
Wide voltage range (2.7-5.5V) makes it robust for automotive environments.
Industrial Process Controllers
Its rich timer/PWM peripherals enable precise control of valves and actuators.
Consumer Appliances
Cost-effective and reliable for washing machines, microwaves, and other home appliances.
Data Acquisition Systems
Multiple ADC channels and UART interfaces allow for sensor data collection and logging.
Educational Robotics Kits
Easy-to-use architecture and ample memory make it ideal for learning embedded systems.
- Q: What is the maximum clock frequency of the ATMEGA644-20AUR?
- A: It supports up to 20 MHz, providing high throughput for an 8-bit MCU.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: How much flash memory is available?
- A: It has 64KB of flash, organized as 32K x 16 bits.
- Q: What package is this part?
- A: It is available in a 44-TQFP package.
ATMEGA644-20AUR.pdf
- Q: What is the maximum clock frequency of the ATMEGA644-20AUR?
- A: It supports up to 20 MHz, providing high throughput for an 8-bit MCU.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: How much flash memory is available?
- A: It has 64KB of flash, organized as 32K x 16 bits.
- Q: What package is this part?
- A: It is available in a 44-TQFP package.
