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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Tube |
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity -
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 6
Program Memory Size 1KB (512 x 16)
Program Memory Type FLASH
EEPROM Size 64 x 8
RAM Size 64 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 4x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 8-SOIC
Package / Case 8-SOIC (0.209", 5.30mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY13A-SU is an 8-bit AVR microcontroller in an 8-SOIC package. It operates from 1.8V to 5.5V and runs at 20MHz, offering a compact solution for basic control and monitoring. With 1KB flash and 64 bytes of RAM, it is suited for simple applications requiring PWM, timing, or system supervision. Integrated Brown-out Detect/Reset, Power-on Reset, PWM, and Watchdog Timer enhance reliability in embedded designs.

  • Ultra-low voltage operation (1.8V): Extends battery life in portable devices.
  • 20MHz AVR core: Fast execution for real-time responses.
  • Integrated BOD and WDT: Improves system stability without external components.
  • Wide temperature range: Reliable in harsh environments.

Low-Power IoT Sensors

The 1.8V minimum voltage and low sleep current make it ideal for battery-powered temperature or humidity sensors that wake periodically to transmit data.

Small Appliance Control

With 1KB flash and PWM, it can control a small fan or heating element in coffee makers or air purifiers, with WDT preventing lockups.

Analog Signal Monitoring

Its internal ADC (not listed but standard) can read a potentiometer or thermistor, and the MCU adjusts an output via PWM for simple closed-loop control.

Toy and Hobby Electronics

The 8-pin SOIC and 20MHz speed allow for servo control or LED patterns in RC receivers or electronic toys, with minimal external components.

Battery Charger Logic

Monitor charge voltage and current, using PWM to control a pass transistor, while BOD ensures safe shutdown on low battery.

Automotive Accessory Modules

Rated -40°C to 85°C, it can handle mirror adjustment or window switch logic in vehicles, with POR for clean startup.

Q: What is the supply voltage range?
A: The ATTINY13A-SU operates from 1.8V to 5.5V, supporting low-power and battery applications.
Q: What is the maximum speed?
A: It runs at up to 20MHz, suitable for time-critical control tasks.
Q: What package is this?
A: It is an 8-SOIC (5.30mm width) package, easy for prototyping and production.
Q: Does it have a watchdog timer?
A: Yes, it includes WDT, along with BOD and POR for reliable operation.
Base Product Number : ATTINY13A
20MHz 8-bit MCU 8-SOIC appliance ATTINY13A AVR battery BOD IoT low-power POR PWM WDT
Q: What is the supply voltage range?
A: The ATTINY13A-SU operates from 1.8V to 5.5V, supporting low-power and battery applications.
Q: What is the maximum speed?
A: It runs at up to 20MHz, suitable for time-critical control tasks.
Q: What package is this?
A: It is an 8-SOIC (5.30mm width) package, easy for prototyping and production.
Q: Does it have a watchdog timer?
A: Yes, it includes WDT, along with BOD and POR for reliable operation.