Microchip Technology ATMEGA809-MUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.40 | $1.40 |
| 15+ | $1.35 | $20.25 |
| 25+ | $1.32 | $33.00 |
| 50+ | $1.25 | $62.50 |
| 100+ | $1.10 | $110.00 |
| N+ | $0.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | megaAVR® 0, Functional Safety (FuSa) |
| 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 | 41 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 16x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-VQFN (6x6) |
| Package / Case | 48-VFQFN Exposed Pad |
| ROHS |
The Microchip ATMEGA809-MUR is an 8-bit AVR microcontroller with 8KB flash and 1KB SRAM, operating at up to 20MHz. Its 1.8V-5.5V supply range and integrated Brown-out Detect/Reset, POR, PWM, and WDT ensure dependable operation. Housed in a 48-VFQFN package, it is designed for space-constrained, power-sensitive applications.
- Ultra-low voltage operation (1.8V) extends battery life in portable devices.
- Integrated Brown-out Detect and POR eliminate external reset ICs, reducing BOM cost.
- 20MHz AVR core delivers efficient 8-bit performance for control applications.
- 48-pin QFN offers abundant I/O in a compact footprint.
Battery-Powered IoT Devices
The 1.8V minimum supply and low-power AVR core enable long battery life for wireless sensors and trackers.
Consumer Electronics
With 8KB flash and rich peripherals, it can manage user interfaces, LED control, and communication protocols in remote controls and small appliances.
Automotive Accessories
The wide voltage range and robust reset features make it suitable for aftermarket automotive modules like window controllers and seat adjusters.
Industrial Automation
Its 48-pin package provides ample I/O for controlling relays, reading switches, and driving indicators in PLCs and HMI panels.
Medical Monitoring
Low power consumption and small footprint support wearable health monitors that require continuous sensing and periodic data transmission.
Smart Agriculture
Reliable operation across temperature extremes and voltage fluctuations makes it ideal for soil sensors and irrigation controllers.
- Q: What is the maximum clock speed of the ATMEGA809-MUR?
- A: It runs at up to 20MHz with an AVR core.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, supporting both low-power and standard applications.
- Q: How much flash and RAM does it have?
- A: It has 8KB program flash and 1KB SRAM.
- Q: What package is available?
- A: It comes in a 48-VFQFN exposed pad package.
- Q: Does it have a brown-out detector?
- A: Yes, it includes Brown-out Detect/Reset, POR, PWM, and WDT.
- Q: What is the maximum clock speed of the ATMEGA809-MUR?
- A: It runs at up to 20MHz with an AVR core.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 5.5V, supporting both low-power and standard applications.
- Q: How much flash and RAM does it have?
- A: It has 8KB program flash and 1KB SRAM.
- Q: What package is available?
- A: It comes in a 48-VFQFN exposed pad package.
- Q: Does it have a brown-out detector?
- A: Yes, it includes Brown-out Detect/Reset, POR, PWM, and WDT.

ATMEGA809-MUR.pdf