$8.28
$8.03
Tax included
Previous
Next
Share
Free Delivery in India | Lowest Global Shipping Charges
24/7 Customer Support
Shop with confidence knowing that our 24/7 Customer Support is always available to assist with any inquiries
Save up to 28% with GST Input
Avail maximum benefits from input tax mechanism on all your Business Invoices. Get GST Invoices on your business purchases. And 0% Taxes on all worldwide deliveries
# Lowest Price Challenge
If you find this product anywhere at lower cost than us. Call us and we will not only match the price but also give a complimentary coupon
100% Original Products
Shop with assurance, as each product we offer is 100% original, ensuring quality and authenticity with every purchase
Microchip 8-bit AVR megaAVR Microcontroller ATMEGA644A-MU, 20 MHz, 64kB Flash, 44-Pin VQFN
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 0.95mm |
| Length | 7.1mm |
| Model | ATMEGA644A-MU |
| Width | 7.1mm |
| Mount Type | Surface |
| Series | megaAVR |
| Maximum Operating Temperature | 85°C |
| Package Type | VQFN |
| Minimum Operating Temperature | -40°C |
| Ram size | 4kB |
| Interface Type | SPI, USART |
| Pin Count | 44 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Device Core | AVR |
| Program Memory Size | 64kB |
| Maximum Clock Frequency | 20MHz |
| Number of Programmable I/Os | 32 |
| Analogue Comparators | 1 |
| Number of Timers | 2 |
| Instruction Set Architecture | RISC |
| ADCs | 8 x 10 Bit |
| Program Memory Type | FLASH |
Key Features
- 8-bit AVR megaAVR microcontroller operating at up to 20 MHz.
- 64kB onboard Flash program memory, suitable for complex embedded designs.
- VQFN package with 44 pins for robust surface-mount assembly.
- 4kB SRAM and 32 programmable I/O pins for versatile interfacing options.
- Operating voltage range from 1.8V to 5.5V for wide compatibility.
- Built-in SPI and USART interface for industrial communication requirements.
- Enhanced RISC architecture for efficient processing.
- Supports up to 8 x 10-bit ADC channels and 2 timers.
Product Description
Microchip ATMEGA644A-MU is a highly versatile 8-bit AVR megaAVR microcontroller designed for demanding industrial, embedded, and commercial electronics applications. This device provides advanced computing power with a maximum clock frequency of 20 MHz, enabling rapid instruction execution and multi-tasking capabilities in control systems, automation, and instrumentation.
Equipped with 64kB of embedded Flash memory, the ATMEGA644A-MU allows users to store large programs and data structures, making it suitable for complex firmware development. It features 4kB SRAM for volatile data storage and 32 programmable I/O pins for sensor input, actuator control, or peripheral interfacing.
The microcontroller is housed in a compact 44-pin VQFN surface-mount package, ensuring reliability and ease of integration in PCB designs with stringent space constraints. With a minimum supply voltage of 1.8V and a maximum of 5.5V, this device adapts to a wide variety of power architectures found in professional electronics.
Key communication interfaces include SPI and USART, widely used for industrial protocol connections, machine-to-machine data exchange, and modular system expansion. Advanced features such as 8 x 10-bit ADC channels enable precise analog signal conversion for instrumentation and feedback loops, while 2 programmable timers facilitate real-time control and scheduling tasks.
8-bit RISC architecture for efficient operation in hardware and software design. Operating temperature range from -40°C to +85°C, supporting industrial and field deployments. Integrated QTouch library support enhances capacitive touch applications.
Ideal for use in process control, robotic systems, instrumentation, automotive modules, and infrastructure monitoring. Designed to meet stringent industrial quality requirements, with robust mounting and low-feet profile (height 0.95mm).
Overall, the ATMEGA644A-MU microcontroller represents a reliable solution for core embedded electronics, automation, and control scenarios, enabling engineers and designers to develop flexible, high-performance systems.
Explore more products from Microchip and a full range of Microcontrollers in the EnvMart Electronics & Electricals category.
Looking to purchase in bulk?
- Purchase item in bulk quantity
- Get best price for your business
Frequently Asked Questions
The ATMEGA644A-MU operates at a maximum clock frequency of 20 MHz.
It features 64kB of embedded Flash program memory, allowing for the storage of large programs and data structures.
This model has a minimum supply voltage of 1.8V and a maximum of 5.5V, making it compatible with a wide variety of power architectures.
The ATMEGA644A-MU is equipped with 32 programmable I/O pins for versatile interfacing options.
It includes built-in SPI and USART interfaces for industrial communication requirements.
The operating temperature range is from -40°C to +85°C, suitable for industrial and field deployments.
This microcontroller is housed in a compact 44-pin VQFN surface-mount package.
The ATMEGA644A-MU has 4kB of SRAM for volatile data storage.
It utilizes an 8-bit RISC architecture for efficient operation in hardware and software design.
It supports up to 8 x 10-bit ADC channels for precise analog signal conversion.
The height of this microcontroller is 0.95mm, facilitating low-profile designs.
This model is ideal for use in process control, robotic systems, instrumentation, automotive modules, and infrastructure monitoring.
Related Products
Other Products from this brand
$23.16
$20.22
-12.7%
New
$0.94
$0.91
-3%
New
$1.01
$0.98
-3%
New
Recently Viewed Products
$8.28
$8.03
Save 3%
Tax included
Quantity
Global Payments 140+ Countries
Global Shipping Fedex/UPS/DHL/Aramex/
BlueDart/Delhivery/DP World
24/7 Customer Support Email/Chat/Telephonic Support
Comments (0)
Your review appreciation cannot be sent
Report comment
Report sent
Your report cannot be sent