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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Cut Tape (CT) | NULL
Core Processor AVR
Core Size 8-Bit
Speed 12MHz
Connectivity -
Peripherals POR, PWM, WDT
Number of I/O 4
Program Memory Size 512B (256 x 16)
Program Memory Type FLASH
EEPROM Size -
RAM Size 32 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 4x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 8-UDFN, USON
Package / Case 8-UFDFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY5-MAHR from Microchip is an 8-bit AVR microcontroller running at 12MHz with 512B flash and 32B RAM. It operates from 1.8V to 5.5V and comes in an 8-UFDFN package. Featuring POR, PWM, and WDT, this MCU is optimized for ultra-compact, low-power embedded applications.

  • Ultra-low power: 1.8V operation and sleep modes extend battery life in portable devices.
  • High-speed AVR core: 12MHz performance in a tiny package for responsive control loops.
  • Integrated PWM: Enables smooth LED dimming and motor speed control without external timers.
  • Robust protection: POR and WDT improve system reliability in noisy environments.

Miniature Sensor Interfaces

12MHz AVR core with PWM enables reading and conditioning signals from MEMS accelerometers in compact modules.

Battery Management in Wearables

1.8V operation and low sleep current extend battery life in fitness bands and smart watches.

Smart Lighting Control

Integrated PWM and small package allow direct LED dimming in smart bulbs and strips.

Consumer Electronics Power Sequencing

POR and WDT ensure reliable power-up sequencing in TVs and set-top boxes.

Automotive Interior Ambient Lighting

Wide voltage range and robust I/O handle 12V automotive environments with external regulation.

IoT Endpoint Nodes

Ultra-small UFDFN package fits into wireless sensor nodes for temperature and humidity monitoring.

Q: What is the supply voltage?
A: 1.8V to 5.5V.
Q: What is the max frequency?
A: 12MHz.
Q: How much flash memory?
A: 512 bytes.
Q: What package is available?
A: 8-UFDFN with exposed pad.
Base Product Number : ATTINY5
12MHz 512B flash 8-bit MCU ATTINY5 AVR IoT low-power PWM UFDFN-8 wearable
Q: What is the supply voltage?
A: 1.8V to 5.5V.
Q: What is the max frequency?
A: 12MHz.
Q: How much flash memory?
A: 512 bytes.
Q: What package is available?
A: 8-UFDFN with exposed pad.