Microchip Technology ATMEGA644PA-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.00 | $4.00 |
| 15+ | $3.87 | $58.05 |
| 25+ | $3.79 | $94.75 |
| 50+ | $3.58 | $179.00 |
| 100+ | $3.16 | $316.00 |
| N+ | $0.63 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| 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) | 1.8V ~ 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 ATMEGA644PA-AU is a high-performance 8-bit AVR microcontroller in a 44-pin TQFP package. It operates from 1.8V to 5.5V and at speeds up to 20MHz, offering flexibility for low-power and high-speed designs. With 64KB of Flash memory and 4KB of RAM, it provides substantial resources for complex applications. The device includes PWM, WDT, POR, and Brown-out Detect/Reset features, ensuring reliable operation. Its extended temperature range (-40°C to +85°C) makes it suitable for industrial and outdoor applications.
- Ultra-Low Power: 1.8V operation and sleep modes extend battery life in portable devices.
- Large Memory: 64KB Flash and 4KB RAM support complex applications and data logging.
- Versatile Power Supply: Wide voltage range simplifies design for both 3.3V and 5V systems.
- Rich Peripheral Set: PWM, timers, and multiple communication interfaces enable diverse applications.
Battery-Powered IoT Sensors
With 1.8V operation and low-power modes, it can run for years on coin cells for environmental monitoring.
3D Printer Controllers
Its 64KB Flash and PWM channels are ideal for controlling stepper motors and heater elements in desktop 3D printers.
Smart Agriculture Systems
The wide voltage range and robust I/O make it suitable for soil sensors and irrigation controllers in remote fields.
Portable Medical Devices
Low power consumption and 4KB RAM enable glucose meters and pulse oximeters with long battery life.
Home Automation Hubs
It can manage Zigbee or RF modules and process sensor data for smart home gateways.
Educational Robotics Kits
Its large memory and easy-to-use AVR architecture make it perfect for advanced robotics projects.
- Q: What is the operating voltage range?
- A: It operates from 1.8V to 5.5V, allowing use in low-power and battery applications.
- Q: What is the maximum speed?
- A: The maximum clock speed is 20MHz.
- Q: How much Flash memory does it have?
- A: It has 64KB (32K x 16) of Flash program memory.
- Q: Does it support PWM?
- A: Yes, it includes PWM channels for motor and lighting control.
- Q: What package is this?
- A: It comes in a 44-pin TQFP package.
ATMEGA644PA-AU.pdf
- Q: What is the operating voltage range?
- A: It operates from 1.8V to 5.5V, allowing use in low-power and battery applications.
- Q: What is the maximum speed?
- A: The maximum clock speed is 20MHz.
- Q: How much Flash memory does it have?
- A: It has 64KB (32K x 16) of Flash program memory.
- Q: Does it support PWM?
- A: Yes, it includes PWM channels for motor and lighting control.
- Q: What package is this?
- A: It comes in a 44-pin TQFP package.
