Microchip Technology ATMEGA644PA-ANR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.52 | $6.52 |
| 15+ | $6.31 | $94.65 |
| 25+ | $6.17 | $154.25 |
| 50+ | $5.83 | $291.50 |
| 100+ | $5.15 | $515.00 |
| N+ | $1.03 | 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) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-TQFP (10x10) |
| Package / Case | 44-TQFP |
| ROHS |  |
The Microchip ATMEGA644PA-ANR is an 8-bit AVR microcontroller running at 20MHz. It provides 64KB of flash memory and 4KB of SRAM, operating from 1.8V to 5.5V. Housed in a 44-pin TQFP, it includes brown-out detection, POR, PWM, and WDT, making it versatile for industrial and IoT applications.
- Ultra-Low Voltage Operation: 1.8V support enables battery-powered and energy-harvesting designs.
- High Flash Capacity: 64KB flash allows complex firmware with room for bootloaders.
- Wide Temperature Range: -40°C to 105°C ensures reliability in harsh environments.
- Rich Peripheral Set: PWM, timers, and multiple communication interfaces reduce external components.
Embedded Control Systems
The 20MHz AVR core with 64KB flash handles complex control algorithms in robotics and CNC machines, with 1.8V operation for low-power modes.
IoT Sensor Nodes
Low voltage (1.8V) and 4KB SRAM support battery-powered environmental sensors with wireless communication via UART/SPI.
Automotive Aftermarket
Operating from -40°C to 105°C, it suits engine management or dashboard clusters requiring high-temperature tolerance.
Smart Home Devices
With PWM and multiple timers, it controls lighting, motorized blinds, and smart thermostats with energy efficiency.
Medical Wearables
The 1.8V operation and small 44-TQFP package enable compact, low-power health monitoring devices.
Industrial Automation
64KB flash allows storing complex firmware for PLCs and process controllers, with robust reset features for safety.
- Q: What is the maximum clock frequency?
- A: The AVR core runs at up to 20MHz, delivering high throughput for 8-bit applications.
- Q: What is the operating voltage range?
- A: It operates from 1.8V to 5.5V, allowing flexible power supply options.
- Q: How much program memory does it have?
- A: It features 64KB of flash memory (32K x 16) and 4KB of SRAM.
- Q: What package is available?
- A: It is offered in a 44-pin TQFP package, ideal for compact designs.
- Q: Does it support PWM?
- A: Yes, it includes PWM, brown-out detection, POR, and WDT for reliable operation.
ATMEGA644PA-ANR.pdf
- Q: What is the maximum clock frequency?
- A: The AVR core runs at up to 20MHz, delivering high throughput for 8-bit applications.
- Q: What is the operating voltage range?
- A: It operates from 1.8V to 5.5V, allowing flexible power supply options.
- Q: How much program memory does it have?
- A: It features 64KB of flash memory (32K x 16) and 4KB of SRAM.
- Q: What package is available?
- A: It is offered in a 44-pin TQFP package, ideal for compact designs.
- Q: Does it support PWM?
- A: Yes, it includes PWM, brown-out detection, POR, and WDT for reliable operation.
