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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATtiny
Packaging Tube |
Core Processor AVR
Core Size 8-Bit
Speed 16MHz
Connectivity I2C, SPI, UART/USART
Peripherals PWM
Number of I/O 12
Program Memory Size 8KB (8K x 8)
Program Memory Type FLASH
EEPROM Size 512 x 8
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 1.7V ~ 5.5V
Data Converters A/D 12x10b
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 ATTINY841-SSU is a high-performance 8-bit AVR microcontroller in a compact 14-pin SOIC package. It delivers 8KB of flash memory and 512 bytes of SRAM, operating at speeds up to 16MHz. With a supply voltage range of 1.7V to 5.5V, it is engineered for low-power and portable applications. Its integrated PWM channels and rich peripheral set make it a versatile choice for embedded control tasks.

  • Ultra-Low Voltage Operation: Starts at 1.7V, enabling direct battery operation without boost converters.
  • High-Speed AVR Core: 16MHz throughput for responsive real-time control.
  • Integrated PWM: Simplifies motor and lighting control without external timers.
  • Compact SOIC-14 Package: Saves board space for space-constrained designs.

Battery-Powered Sensor Nodes

With a 1.7V minimum supply voltage and low-power AVR core, the ATTINY841-SSU can run directly from a single alkaline cell, reducing system complexity and extending battery life in IoT sensors.

PWM LED Dimming

The integrated PWM channels allow precise brightness control for LED lighting systems. The 16MHz clock speed ensures smooth, flicker-free dimming at high frequencies.

Compact Motor Control

Its 8KB flash and 512 bytes of RAM are sufficient for simple brushless DC motor commutation logic, while the PWM outputs drive the gate driver circuitry directly.

Portable Medical Devices

The wide voltage range and small SOIC footprint make it ideal for wearable health monitors that need to operate reliably across varying battery states.

Industrial Sensor Interfaces

The 14-pin package provides enough I/O for reading analog sensors and communicating over I2C or SPI to a host controller, all within a -40°C to 85°C range.

Q: What is the operating voltage range of the ATTINY841-SSU?
A: It operates from 1.7V to 5.5V, making it suitable for battery-powered applications.
Q: How much flash memory does this MCU have?
A: It has 8KB of programmable flash memory (8K x 8).
Q: What package is the ATTINY841-SSU available in?
A: It comes in a 14-pin SOIC package (0.154" width).
Q: Does it support PWM output?
A: Yes, it includes PWM channels for motor control and dimming applications.
Base Product Number : ATTINY841
16MHz 8-bit MCU 8KB Flash ATtiny AVR battery powered low power PWM sensor node SOIC-14
Q: What is the operating voltage range of the ATTINY841-SSU?
A: It operates from 1.7V to 5.5V, making it suitable for battery-powered applications.
Q: How much flash memory does this MCU have?
A: It has 8KB of programmable flash memory (8K x 8).
Q: What package is the ATTINY841-SSU available in?
A: It comes in a 14-pin SOIC package (0.154" width).
Q: Does it support PWM output?
A: Yes, it includes PWM channels for motor control and dimming applications.