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Normaler Preis $1.40
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15+ $1.35 $20.25
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50+ $1.25 $62.50
100+ $1.10 $110.00
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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 RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

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.
Base Product Number : ATMEGA809
1KB SRAM 20MHz 8-bit 8KB Flash AVR Consumer IoT Low Power MCU PWM QFN-48 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.