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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 -
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-SUR is a tiny 8-bit AVR MCU in an 8-SOIC package. It runs at 20MHz with 1KB Flash and 64B SRAM. Its 1.8V-5.5V range and integrated ADC make it a versatile choice for small, cost-sensitive embedded projects.

  • Ultra-small footprint: Fits in tight spaces where larger MCUs cannot be used.
  • Low cost: Ideal for high-volume consumer products with minimal feature requirements.
  • Wide voltage range: Works with both 3.3V and 5V systems without extra components.
  • Integrated ADC and comparator: Enables analog sensing without external chips.

Miniature LED Blinkers

With 1KB Flash and PWM, it can create custom lighting patterns in toys or decorative items with minimal cost.

Battery Voltage Monitors

Its internal ADC and low power consumption allow periodic battery level checks in portable devices.

Simple Timers and Delays

The 8-bit timer with prescaler can generate accurate delays for appliance timers or event sequencing.

Sensor Threshold Detectors

Using the analog comparator, it can trigger an interrupt when a light or temperature threshold is crossed.

Small Servo Controllers

With 20MHz speed, it can generate 50Hz servo pulses with sufficient resolution for hobby servos.

Low-Cost Logic Replacement

It can replace multiple 74-series logic ICs with programmable logic in simple glue-logic applications.

Q: What is the voltage range?
A: It operates from 1.8V to 5.5V, suitable for battery and 5V logic.
Q: What is the maximum speed?
A: The AVR core runs at up to 20MHz.
Q: How much memory is available?
A: It has 1KB Flash (512 x 16) and 64 bytes of SRAM.
Q: What package is this?
A: It comes in an 8-pin SOIC package (5.30mm width).
Q: Does it have PWM?
A: Yes, it includes a fast PWM mode on Timer0 for LED dimming or tone generation.
Base Product Number : ATTINY13A
1KB Flash 20MHz 64B SRAM 8-bit MCU ATTINY13A AVR core LED control low cost sensor SOIC-8
Q: What is the voltage range?
A: It operates from 1.8V to 5.5V, suitable for battery and 5V logic.
Q: What is the maximum speed?
A: The AVR core runs at up to 20MHz.
Q: How much memory is available?
A: It has 1KB Flash (512 x 16) and 64 bytes of SRAM.
Q: What package is this?
A: It comes in an 8-pin SOIC package (5.30mm width).
Q: Does it have PWM?
A: Yes, it includes a fast PWM mode on Timer0 for LED dimming or tone generation.