Microchip Technology ATTINY44A-SSUR

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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 USI
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O 12
Program Memory Size 4KB (2K x 16)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°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 ATTINY44A-SSUR is a versatile 8-bit AVR microcontroller in a 14-SOIC package. It offers 4KB of flash memory and 256 bytes of SRAM, running at up to 20MHz. With a supply voltage range of 1.8V to 5.5V and an operating temperature of -40°C to 85°C, it integrates a temperature sensor, PWM, and robust reset features for a wide range of embedded applications.

  • Cost-Effective Solution: Provides essential features at a low price point for volume production.
  • Low Power Consumption: Optimized for battery-powered devices with multiple sleep modes.
  • Flexible Peripherals: Includes PWM, ADC, and temperature sensor for diverse applications.
  • Standard Package: 14-SOIC is easy to solder and widely available.

Consumer Electronics Remote Controls

Its low power and 4KB flash are ideal for implementing IR remote control protocols in TVs or audio systems.

Home Automation Sensors

Use it to read temperature and humidity sensors and send data over I2C or SPI to a central hub.

Battery-Powered Toys

The 1.8V operation and PWM support enable motor and light control in interactive toys.

Simple Keypad Interfaces

Scan matrix keypads and debounce inputs with its GPIO and timers, reducing external logic.

LED Dimming Modules

Generate PWM signals for LED drivers, enabling smooth dimming in architectural lighting.

Educational Kits

Its ease of use and standard SOIC package make it suitable for microcontroller learning platforms.

Q: What is the difference between ATTINY44A-SSNR and ATTINY44A-SSUR?
A: The SSUR variant has a standard temperature range of -40°C to 85°C, while SSNR is extended to 105°C.
Q: What is the package type?
A: It comes in a 14-pin SOIC package.
Q: How much flash memory does it have?
A: It has 4KB of flash memory.
Q: Does it support PWM?
A: Yes, it includes PWM channels.
Q: What is the supply voltage?
A: It operates from 1.8V to 5.5V.
Base Product Number : ATTINY44A
20MHz 256B SRAM 4KB Flash 8-bit MCU AVR Consumer Low Power Microchip PWM SOIC-14
Q: What is the difference between ATTINY44A-SSNR and ATTINY44A-SSUR?
A: The SSUR variant has a standard temperature range of -40°C to 85°C, while SSNR is extended to 105°C.
Q: What is the package type?
A: It comes in a 14-pin SOIC package.
Q: How much flash memory does it have?
A: It has 4KB of flash memory.
Q: Does it support PWM?
A: Yes, it includes PWM channels.
Q: What is the supply voltage?
A: It operates from 1.8V to 5.5V.