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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity USI
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O 12
Program Memory Size 2KB (1K x 16)
Program Memory Type FLASH
EEPROM Size 128 x 8
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 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 20-QFN-EP (4x4)
Package / Case 20-WFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY24A-MUR is an 8-bit AVR microcontroller from Microchip, supporting 1.8-5.5V and 20MHz operation. It offers 2KB flash and 128 bytes RAM in a 20-WFQFN package. Features include BOR, POR, PWM, temperature sensor, and WDT.

  • Wide voltage range: 1.8-5.5V simplifies power supply design.
  • Integrated temperature sensor: Eliminates external sensor in thermal monitoring.
  • High-speed AVR core: 20MHz for responsive control.
  • Compact WFQFN package: Ideal for space-limited designs.

Battery Management Systems

Wide 1.8-5.5V range and low power consumption suit battery monitoring in portable electronics.

Temperature Sensing

Built-in temp sensor reduces external component count in environmental monitoring.

Automotive Body Electronics

Robust BOR and WDT handle automotive voltage transients in lighting or window control.

Industrial Automation

20MHz speed and PWM support simple motor or valve control in factory equipment.

Smart Home Sensors

Small WFQFN package fits into compact occupancy or smoke detectors.

Power Tools

High voltage tolerance and temp sensor enable thermal protection in drills.

Q: What is the supply voltage range?
A: 1.8V to 5.5V.
Q: What is the maximum speed?
A: 20MHz.
Q: Does it have a temperature sensor?
A: Yes, it includes an internal temperature sensor.
Q: What package is this?
A: 20-WFQFN Exposed Pad.
Base Product Number : ATTINY24A
20MHz 8-bit 8-bit MCU ATtiny AVR industrial low power PWM temperature sensor WFQFN
Q: What is the supply voltage range?
A: 1.8V to 5.5V.
Q: What is the maximum speed?
A: 20MHz.
Q: Does it have a temperature sensor?
A: Yes, it includes an internal temperature sensor.
Q: What package is this?
A: 20-WFQFN Exposed Pad.