Microchip Technology ATMEGA644-20MUR
| 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-VQFN (7x7) |
| Package / Case | 44-VFQFN Exposed Pad |
| ROHS |  |
The Microchip ATmega644 is a high-performance 8-bit AVR microcontroller with 64KB flash and 4KB RAM. Running at up to 20MHz, it delivers efficient processing for a wide range of embedded applications. Its 2.7V to 5.5V supply voltage range provides design flexibility. The 44-VFQFN package is compact and suitable for space-constrained designs. With features like brown-out detection, PWM, and watchdog timer, it ensures reliable operation in industrial and consumer products.
- Wide Voltage Range: 2.7V-5.5V simplifies power supply design and supports battery operation.
- High Speed for 8-bit: 20MHz enables fast response in real-time control.
- Large Flash: 64KB allows complex firmware without external memory.
- Compact Package: VFQFN saves board space and improves thermal performance.
- Reliable Operation: Brown-out reset and watchdog timer prevent system failures.
Industrial Control Systems
With 20MHz speed and robust I/O, it can handle real-time control of relays, sensors, and actuators in factory automation.
Home Automation Hubs
Low power consumption and wide voltage range make it ideal for smart home controllers that interface with various sensors and wireless modules.
Automotive Aftermarket
Operating from 2.7V to 5.5V, it can be used in car electronics like window lift controllers and lighting systems.
Medical Monitoring Devices
Reliable operation with brown-out detection ensures safe data logging in portable health monitors.
Robotics
Multiple PWM channels and 64KB flash allow implementation of motor control and sensor fusion for hobby and educational robots.
Data Acquisition Systems
With 4KB RAM and 20MHz, it can sample and process analog signals for environmental monitoring.
- Q: What is the maximum clock speed?
- A: 20MHz, providing a good balance between speed and power consumption.
- Q: What is the supply voltage range?
- A: 2.7V to 5.5V, allowing flexible power supply designs.
- Q: How much flash memory is available?
- A: 64KB, sufficient for complex applications.
- Q: Does it have a brown-out detector?
- A: Yes, it includes brown-out detection and reset for reliable operation.
- Q: What package is this?
- A: 44-VFQFN exposed pad, compact and thermally efficient.
ATMEGA644-20MUR.pdf
- Q: What is the maximum clock speed?
- A: 20MHz, providing a good balance between speed and power consumption.
- Q: What is the supply voltage range?
- A: 2.7V to 5.5V, allowing flexible power supply designs.
- Q: How much flash memory is available?
- A: 64KB, sufficient for complex applications.
- Q: Does it have a brown-out detector?
- A: Yes, it includes brown-out detection and reset for reliable operation.
- Q: What package is this?
- A: 44-VFQFN exposed pad, compact and thermally efficient.
