Microchip Technology ATMEGA644P-20MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.70 | $6.70 |
| 15+ | $6.49 | $97.35 |
| 25+ | $6.35 | $158.75 |
| 50+ | $5.99 | $299.50 |
| 100+ | $5.29 | $529.00 |
| N+ | $1.06 | 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) | 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 ATMEGA644P-20MU is an 8-bit AVR microcontroller from Microchip, running at up to 20MHz. It features 64KB flash, 4KB SRAM, and operates from 2.7V to 5.5V. Housed in a 44-VFQFN package, it includes PWM, WDT, and brown-out detection, making it a versatile choice for industrial and embedded applications.
- High-speed 20MHz AVR core delivers fast processing for complex algorithms.
- Wide voltage range (2.7-5.5V) supports both 3.3V and 5V systems.
- Large 64KB flash enables complex firmware without external memory.
- Compact VFQFN package with exposed pad improves thermal dissipation.
Embedded Data Loggers
With 64KB flash and 20MHz speed, it can store extensive sensor data while performing real-time analysis.
Industrial Automation Nodes
Its wide voltage range and PWM outputs enable direct control of actuators and motor drivers.
Smart Agriculture Sensors
Low-power modes and robust I/O make it ideal for soil moisture and weather monitoring stations.
Medical Device Interfaces
The VFQFN package and reliable operation support portable patient monitoring equipment.
Networking Gateways
With sufficient RAM and speed, it handles protocol conversion for RS-485 and CAN bridges.
Robotics Controllers
Multiple timers and PWM channels allow precise servo control for educational robots.
- Q: What is the maximum clock frequency?
- A: It supports up to 20MHz, providing fast execution for AVR cores.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, offering flexibility for battery or 5V logic.
- Q: How much flash memory is included?
- A: It has 64KB (32K x 16) of flash and 4K x 8 of SRAM.
- Q: What package is available?
- A: It comes in a 44-VFQFN Exposed Pad package.
- Q: What is the temperature rating?
- A: It is rated for -40°C to 85°C, suitable for industrial environments.
ATMEGA644P-20MU.pdf
- Q: What is the maximum clock frequency?
- A: It supports up to 20MHz, providing fast execution for AVR cores.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, offering flexibility for battery or 5V logic.
- Q: How much flash memory is included?
- A: It has 64KB (32K x 16) of flash and 4K x 8 of SRAM.
- Q: What package is available?
- A: It comes in a 44-VFQFN Exposed Pad package.
- Q: What is the temperature rating?
- A: It is rated for -40°C to 85°C, suitable for industrial environments.
