Microchip Technology ATMEGA165A-AUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
Packaging Cut Tape (CT) | NULL
Core Processor AVR
Core Size 8-Bit
Speed 16MHz
Connectivity SPI, UART/USART, USI
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 54
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 64-TQFP (14x14)
Package / Case 64-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA165A-AUR from Microchip is an 8-bit AVR MCU running at 16MHz. It offers 16KB flash and 1KB SRAM, with BOD, POR, PWM, and WDT. Operating from 1.8V to 5.5V, it is packaged in a 64-TQFP and supports -40°C to 85°C.

  • Wide voltage range (1.8V-5.5V): Flexible for battery or 5V logic systems.
  • High I/O count (64-pin): Supports complex peripheral interfaces.
  • Low-power modes: Ideal for energy-sensitive applications.
  • Proven AVR architecture: Extensive toolchain and community support.

Home Automation Controllers

Wide voltage range (1.8V-5.5V) and 16MHz speed support smart lighting and thermostat nodes.

Industrial Sensor Interfaces

Multiple I/O pins and PWM enable reading and conditioning of analog sensors.

Battery-Powered Data Loggers

Low-power sleep modes and 1.8V operation extend battery life in remote monitoring.

Consumer Electronics

64-TQFP package provides enough I/O for remote controls and small appliances.

Educational Kits

Simple AVR architecture and 16KB flash make it ideal for learning embedded systems.

Motor Speed Controllers

PWM outputs and WDT ensure reliable speed regulation for small DC fans.

Q: What is the core type?
A: It uses an 8-bit AVR core.
Q: What is the maximum speed?
A: It runs at 16MHz.
Q: What is the program memory size?
A: It has 16KB flash organized as 8K x 16.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C.
Base Product Number : ATMEGA165A
16KB Flash 16MHz 64-TQFP 8-bit AVR consumer industrial low power
Q: What is the core type?
A: It uses an 8-bit AVR core.
Q: What is the maximum speed?
A: It runs at 16MHz.
Q: What is the program memory size?
A: It has 16KB flash organized as 8K x 16.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C.