Microchip Technology ATTINY204-SSNR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series tinyAVR™ 0, Functional Safety (FuSa)
Packaging Cut Tape (CT) | Tape & Reel (TR)
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-SSNR is a low-power AVR microcontroller in a 14-SOIC package. It offers 2KB of Flash and 128 bytes of SRAM, operating at up to 20MHz. With a supply voltage range of 1.8V to 5.5V, it is optimized for energy-efficient applications. Its integrated features include PWM, WDT, and brown-out detection, making it a reliable core for compact embedded projects.

  • Low Power Consumption: Ideal for battery-powered devices, with multiple sleep modes to minimize current draw.
  • Wide Temperature Range: Operates from -40°C to 105°C, suitable for harsh environments.
  • Compact SOIC-14: Provides enough pins for basic interfaces while saving board space.
  • Integrated Analog: The 12-bit ADC allows direct sensor connection without external ADC chips.

Wearable Fitness Trackers

The 1.8V operation and low-power sleep modes allow the ATTINY204-SSNR to run for months on a coin cell, processing step counts from an accelerometer.

Smart Lighting Switches

Its PWM channels can control LED brightness, while the 20MHz core handles touch button debouncing and communication with a central hub.

Environmental Monitoring

With its ADC, it can read temperature or humidity sensors and transmit data over I2C, making it ideal for compact data loggers.

Automotive Sensor Interfaces

The -40°C to 105°C range ensures reliable operation in engine bay sensors, where it can pre-process signals before sending to the ECU.

Security Systems

It can manage door/window contact sensors, using its WDT to ensure the system never hangs, and its low power draw for battery backup.

Portable Audio Accessories

It can handle button inputs and LED indicators in small audio devices, with its small RAM footprint sufficient for simple state machines.

Q: What is the supply voltage range?
A: The ATTINY204-SSNR operates from 1.8V to 5.5V, supporting low-power and standard logic levels.
Q: What is the maximum speed?
A: It runs at up to 20MHz, offering fast execution for its class.
Q: How much Flash memory is included?
A: It has 2KB of Flash memory (2K x 8), suitable for small control loops.
Q: What package is this?
A: It is available in a 14-SOIC package (0.154" width), balancing I/O count and footprint.
Q: Does it have analog capabilities?
A: Yes, it includes a 12-bit ADC and other analog peripherals for sensor interfacing.
Base Product Number : ATTINY204
20MHz 2KB Flash 8-bit AVR Low Power MCU Microcontroller PWM SOIC-14 WDT Wearable
Q: What is the supply voltage range?
A: The ATTINY204-SSNR operates from 1.8V to 5.5V, supporting low-power and standard logic levels.
Q: What is the maximum speed?
A: It runs at up to 20MHz, offering fast execution for its class.
Q: How much Flash memory is included?
A: It has 2KB of Flash memory (2K x 8), suitable for small control loops.
Q: What package is this?
A: It is available in a 14-SOIC package (0.154" width), balancing I/O count and footprint.
Q: Does it have analog capabilities?
A: Yes, it includes a 12-bit ADC and other analog peripherals for sensor interfacing.