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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 16MHz
Connectivity I2C, LINbus, SPI, UART/USART, USI
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O 16
Program Memory Size 16KB (8K x 16)
Program Memory Type FLASH
EEPROM Size 512 x 8
RAM Size 512 x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 11x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-SOIC
Package / Case 20-SOIC (0.295", 7.50mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATTINY167-SUR is a low-power 8-bit AVR microcontroller from Microchip, operating at up to 16MHz with 16KB Flash and 512 bytes RAM. It features an 11-channel 10-bit ADC, PWM, a temperature sensor, and a watchdog timer, all in a 20-SOIC package. Designed for 1.8V to 5.5V operation, it is ideal for battery-powered and space-constrained applications. Its high code efficiency and rich peripherals make it a popular choice for IoT nodes and small control systems.

  • High Code Efficiency: AVR architecture executes most instructions in a single clock cycle, maximizing performance.
  • Low Power Consumption: Multiple sleep modes and 1.8V operation extend battery life in portable devices.
  • Integrated Temperature Sensor: Eliminates the need for an external sensor in temperature monitoring applications.
  • Compact Package: 20-SOIC saves board space while providing ample I/O.
  • Rich Analog Features: 11-channel 10-bit ADC provides flexibility for sensor interfaces.

Compact IoT Sensors

The ATTINY167-SUR with its 16MHz core and 10-bit ADC is perfect for small, battery-powered sensors that measure temperature, humidity, or light and transmit data via UART or I2C.

LED Lighting Control

With multiple PWM channels, this MCU can control RGB LED strips for color mixing and dimming in smart lighting systems.

Battery Management

Its low power consumption and internal temperature sensor make it suitable for monitoring battery voltage and temperature in portable devices.

Small Appliances

Ideal for controlling simple functions in coffee makers, electric kettles, and air purifiers, with reliable operation.

Automotive Accessories

Operating at -40°C to 85°C, it can be used in car alarm systems, window lift controls, and interior lighting.

Wearable Devices

The compact SOIC package and low power make it suitable for fitness bands and smart watches that require long battery life.

Q: What is the core architecture of the ATTINY167-SUR?
A: It is based on the 8-bit AVR core, known for its high code efficiency and low power consumption.
Q: What is the maximum clock speed?
A: The MCU runs at up to 16MHz, providing a good balance between speed and power.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, making it suitable for battery-powered applications.
Q: How much program memory and RAM does it have?
A: It provides 16KB of Flash and 512 bytes of RAM.
Q: What analog peripherals are included?
A: It features an 11-channel 10-bit ADC, along with PWM, a temperature sensor, and a watchdog timer.
Q: What are common applications?
A: Ideal for small sensor nodes, lighting control, and simple automation tasks.
Base Product Number : ATTINY167
10-bit ADC 16KB Flash 16MHz 512B RAM 8-bit AVR I2C IoT Low Power MCU PWM Sensor SOIC-20 SPI Temperature Sensor UART
Q: What is the core architecture of the ATTINY167-SUR?
A: It is based on the 8-bit AVR core, known for its high code efficiency and low power consumption.
Q: What is the maximum clock speed?
A: The MCU runs at up to 16MHz, providing a good balance between speed and power.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V, making it suitable for battery-powered applications.
Q: How much program memory and RAM does it have?
A: It provides 16KB of Flash and 512 bytes of RAM.
Q: What analog peripherals are included?
A: It features an 11-channel 10-bit ADC, along with PWM, a temperature sensor, and a watchdog timer.
Q: What are common applications?
A: Ideal for small sensor nodes, lighting control, and simple automation tasks.