Microchip Technology ATMEGA168A-MUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
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 23
Program Memory Size 16KB (8K x 16)
Program Memory Type FLASH
EEPROM Size 512 x 8
RAM Size 1K 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 32-VQFN (5x5)
Package / Case 32-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA168A-MUR is a versatile 8-bit AVR microcontroller from Microchip Technology, offering 16KB flash and 1K RAM at 20 MHz. Housed in a compact 32-VFQFN package, it operates from 1.8V to 5.5V and includes essential peripherals like PWM, WDT, and Brown-out Reset. A reliable choice for cost-sensitive and low-power applications.

  • Low-power AVR core: Optimized for battery-operated devices with multiple sleep modes.
  • 20 MHz performance: Sufficient for real-time control and data processing.
  • Compact 32-VFQFN package: Saves PCB space for space-constrained designs.
  • Wide voltage range (1.8V-5.5V): Flexible for 3.3V or 5V systems.

Consumer Electronics

Ideal for remote controls, toys, and small appliances due to low power consumption and 20 MHz processing.

Sensor Interfacing

With 1K RAM and multiple I/O, it can read and process data from temperature, humidity, and light sensors.

Battery-Powered Devices

1.8V operation and power-saving modes extend battery life in wearables and handheld meters.

Prototyping and Education

Widely used in Arduino-compatible boards, making it perfect for learning embedded systems and rapid prototyping.

Simple Motor Control

PWM outputs allow speed control of small DC motors and servos in hobbyist and light industrial projects.

LED Lighting Control

PWM channels enable smooth dimming and color mixing in RGB LED strips and smart lighting.

Q: What is the core architecture?
A: It uses the AVR 8-bit core running at up to 20 MHz.
Q: What is the program memory size?
A: It has 16KB of flash memory (8K x 16).
Q: What is the supply voltage?
A: It operates from 1.8V to 5.5V.
Q: What package is this variant?
A: It is a 32-VFQFN exposed pad package.
Q: Does it have PWM and WDT?
A: Yes, it includes PWM, WDT, POR, and Brown-out Detect/Reset.
Base Product Number : ATMEGA168A
16KB Flash 1K RAM 20MHz 8-bit MCU ATmega AVR Consumer LED Low Power PWM Sensor VFQFN-32
Q: What is the core architecture?
A: It uses the AVR 8-bit core running at up to 20 MHz.
Q: What is the program memory size?
A: It has 16KB of flash memory (8K x 16).
Q: What is the supply voltage?
A: It operates from 1.8V to 5.5V.
Q: What package is this variant?
A: It is a 32-VFQFN exposed pad package.
Q: Does it have PWM and WDT?
A: Yes, it includes PWM, WDT, POR, and Brown-out Detect/Reset.