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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, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 12
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 10x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°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 ATTINY204-SSN is a low-power 8-bit AVR microcontroller in a 14-SOIC package. It operates from 1.8V to 5.5V at up to 20MHz, with 2KB Flash and 128 bytes SRAM. Integrated BOR, POR, PWM, and WDT provide reliable operation. Its -40°C to 105°C range suits automotive and industrial applications.

  • Ultra-low power – ideal for battery-operated devices.
  • Wide temperature range (105°C) – supports harsh environments.
  • Compact 14-SOIC – easy to integrate into existing designs.
  • Integrated PWM – reduces external components for control tasks.

Small Sensor Nodes

2KB Flash is sufficient for simple temperature or humidity sensing.

Battery-Powered Remote Controls

Low power consumption and 1.8V operation extend battery life.

LED Status Indicators

PWM capability drives LED brightness with minimal code.

Automotive Interior Switches

105°C rating allows use near dashboards or engine compartments.

Simple Motor Drivers

20MHz speed handles basic brushed DC motor commutation.

Educational Kits

Easy-to-program AVR core and small footprint make it ideal for learning.

Q: What is the operating voltage range?
A: The ATTINY204-SSN operates from 1.8V to 5.5V.
Q: What is the maximum speed?
A: It runs at up to 20MHz.
Q: How much Flash and SRAM does it have?
A: It has 2KB Flash and 128 bytes SRAM.
Q: What package is available?
A: It comes in a 14-SOIC package.
Q: What is the temperature range?
A: It is rated for -40°C to 105°C.
Base Product Number : ATTINY204
14-SOIC 20MHz 2KB Flash 8-bit MCU automotive AVR LED low power RISC sensor
Q: What is the operating voltage range?
A: The ATTINY204-SSN operates from 1.8V to 5.5V.
Q: What is the maximum speed?
A: It runs at up to 20MHz.
Q: How much Flash and SRAM does it have?
A: It has 2KB Flash and 128 bytes SRAM.
Q: What package is available?
A: It comes in a 14-SOIC package.
Q: What is the temperature range?
A: It is rated for -40°C to 105°C.