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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-TSSOP
Package / Case 20-TSSOP (0.173", 4.40mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATTINY167-XUR is an 8-bit AVR microcontroller with 16KB flash and 512 bytes RAM, running at 16MHz. It features a temperature sensor, PWM, and brown-out detection in a compact 20-TSSOP package, suitable for space-constrained, low-power applications.

  • Ultra-low power consumption: 1.8V operation and sleep modes extend battery life in portable devices.
  • Integrated temperature sensor: Eliminates external sensor cost and PCB space.
  • Small footprint: 20-TSSOP package fits tight layouts in consumer and automotive modules.
  • Wide voltage range (1.8V-5.5V): Compatible with both 3.3V and 5V systems.

Battery-Powered Sensors

With 1.8V minimum operation and low-power sleep modes, it is ideal for battery-operated environmental sensors that need to run for years.

LED Lighting Control

The PWM channels allow for smooth dimming and color mixing in RGB LED drivers, while the small TSSOP package fits compact lighting modules.

Automotive LIN Nodes

Its robust I/O and temperature range make it suitable for LIN bus slave nodes in automotive body electronics like window switches or mirror controls.

Consumer Electronics

In appliances like coffee makers or air purifiers, it manages user interfaces and motor control with minimal external components.

Industrial Sensing

The integrated temperature sensor and ADC enable local temperature monitoring in industrial equipment, reducing the need for external sensors.

Security Systems

With WDT and brown-out detection, it provides reliable operation in alarm panels and access control keypads.

Q: What is the core architecture of the ATTINY167-XUR?
A: It uses the AVR 8-bit core running at up to 16MHz.
Q: How much flash memory does it have?
A: It has 16KB (8K x 16) of program memory.
Q: What is the operating voltage range?
A: It operates from 1.8V to 5.5V.
Q: Does it have a temperature sensor?
A: Yes, it includes an internal temperature sensor.
Base Product Number : ATTINY167
16KB flash 16MHz 20-TSSOP 512B RAM 8-bit MCU AVR battery powered LED control PWM temperature sensor tinyAVR
Q: What is the core architecture of the ATTINY167-XUR?
A: It uses the AVR 8-bit core running at up to 16MHz.
Q: How much flash memory does it have?
A: It has 16KB (8K x 16) of program memory.
Q: What is the operating voltage range?
A: It operates from 1.8V to 5.5V.
Q: Does it have a temperature sensor?
A: Yes, it includes an internal temperature sensor.