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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 12MHz
Connectivity I2C, SPI
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 12
Program Memory Size 2KB (1K x 16)
Program Memory Type FLASH
EEPROM Size -
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 14-SOIC
Package / Case 14-SOIC (0.154", 3.90mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY20-SSUR is a low-power 8-bit AVR microcontroller in a compact 14-pin SOIC package. It delivers 2KB of flash memory and 128 bytes of RAM, running at up to 12MHz. With a wide 1.8V to 5.5V supply range and integrated brown-out detection, POR, PWM, and WDT, it provides a reliable foundation for space-constrained embedded designs.

  • Ultra-low power consumption: 1.8V operation and sleep modes extend battery life in portable devices.
  • Compact SOIC-14 package: Saves PCB space while providing enough I/O for basic control tasks.
  • Integrated safety features: BOD, POR, and WDT ensure reliable operation in noisy or unstable power environments.
  • Fast 12MHz performance: Sufficient for real-time sensor reading and PWM generation in small systems.

Battery-Powered Sensor Nodes

The 1.8V minimum supply voltage and low-power sleep modes enable long battery life in IoT and remote monitoring devices.

Compact LED Lighting Controllers

With PWM channels and a 12MHz clock, it can generate smooth dimming and color control in small form-factor lighting modules.

Portable Consumer Electronics

The 14-SOIC package and 2KB flash are ideal for simple user-interface controllers in toys, wearables, and handheld gadgets.

Automotive Interior Ambient Lighting

Its -40°C to 85°C temperature range and robust reset circuitry make it reliable for in-cabin lighting and switch control.

Industrial Sensor Signal Conditioning

The integrated analog comparator and fast wake-up times allow for quick response in proximity and level-sensing applications.

Small Appliance Motor Control

PWM outputs and WDT protection support basic brushless DC motor commutation in compact kitchen and personal care appliances.

Q: What is the operating voltage range of the ATTINY20-SSUR?
A: It operates from 1.8V to 5.5V, suitable for battery and 3.3V/5V systems.
Q: How much flash memory does this MCU have?
A: It has 2KB of in-system programmable flash memory.
Q: What package is the ATTINY20-SSUR available in?
A: It comes in a 14-pin SOIC package (0.154" width).
Q: Does it include a watchdog timer?
A: Yes, it features a Watchdog Timer (WDT) along with POR and Brown-out Detect.
Base Product Number : ATTINY20
12MHz 2KB Flash 8-bit MCU ATtiny AVR battery powered lighting low power PWM sensor SOIC-14 WDT
Q: What is the operating voltage range of the ATTINY20-SSUR?
A: It operates from 1.8V to 5.5V, suitable for battery and 3.3V/5V systems.
Q: How much flash memory does this MCU have?
A: It has 2KB of in-system programmable flash memory.
Q: What package is the ATTINY20-SSUR available in?
A: It comes in a 14-pin SOIC package (0.154" width).
Q: Does it include a watchdog timer?
A: Yes, it features a Watchdog Timer (WDT) along with POR and Brown-out Detect.