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Product attributes Property Value
Manufacturer Microchip Technology
Product Series tinyAVR™ 0, Functional Safety (FuSa)
Packaging Tube |
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 6
Program Memory Size 2KB (2K x 8)
Program Memory Type FLASH
EEPROM Size 64 x 8
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 6x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 8-SOIC
Package / Case 8-SOIC (0.154", 3.90mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY202-SSN is an 8-bit AVR microcontroller from Microchip, housed in an 8-pin SOIC package. It supports a supply voltage of 1.8V to 5.5V and operates at speeds up to 20MHz. The device features 2KB of Flash memory and 128 bytes of SRAM. Integrated peripherals include PWM, watchdog timer, brown-out detection, and power-on reset, providing a reliable foundation for cost-sensitive control applications.

  • Wide voltage range: 1.8V to 5.5V enables direct battery operation without regulators.
  • High-speed execution: 20MHz clock delivers fast response for real-time control loops.
  • Robust protection: BOD and POR prevent erratic behavior during power fluctuations.
  • Small package: 8-SOIC is ideal for compact PCB layouts.

Industrial Sensor Interfaces

The 20MHz speed and 10-bit ADC allow accurate reading of analog sensors like thermistors and photodiodes.

Small Appliance Timers

Use the WDT and internal oscillator to create reliable timing functions for coffee makers or toasters.

Battery Management Systems

Monitor voltage and current with the ADC while the low-power modes preserve battery charge.

Consumer Lighting Effects

Generate complex PWM patterns for RGB LED strips or decorative lighting.

Automotive Aftermarket Modules

The wide temperature range and robust reset features make it suitable for car alarm sensors or interior lighting.

Educational Kits

Its simple architecture and low cost make it ideal for teaching embedded systems fundamentals.

Q: What is the difference between ATTINY202-SSN and -SSNR?
A: The -SSN is the standard tube packaging, while -SSNR is tape-and-reel. Electrical specifications are identical.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, compatible with 2xAA batteries and 3.3V/5V systems.
Q: What is the maximum clock frequency?
A: The CPU can run at up to 20MHz with an external clock or internal oscillator.
Q: How much RAM is available?
A: It has 128 bytes of SRAM, sufficient for simple state machines and data buffers.
Q: What are the main integrated peripherals?
A: It includes a 10-bit ADC, PWM, watchdog timer, brown-out detector, and power-on reset.
Base Product Number : ATTINY202
20MHz 2KB Flash 8-bit 8-SOIC ATTINY202 AVR industrial low power PWM sensor
Q: What is the difference between ATTINY202-SSN and -SSNR?
A: The -SSN is the standard tube packaging, while -SSNR is tape-and-reel. Electrical specifications are identical.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, compatible with 2xAA batteries and 3.3V/5V systems.
Q: What is the maximum clock frequency?
A: The CPU can run at up to 20MHz with an external clock or internal oscillator.
Q: How much RAM is available?
A: It has 128 bytes of SRAM, sufficient for simple state machines and data buffers.
Q: What are the main integrated peripherals?
A: It includes a 10-bit ADC, PWM, watchdog timer, brown-out detector, and power-on reset.