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Product attributes Property Value
Manufacturer Microchip Technology
Product Series megaAVR® 0, Functional Safety (FuSa)
Packaging Tray |
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 41
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 16x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-TQFP (7x7)
Package / Case 48-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATMEGA1609-AF is an 8-bit AVR microcontroller in a 48-TQFP package. It offers 16KB flash, 2KB SRAM, and operates from 1.8V to 5.5V at up to 20MHz. With brown-out detection, POR, PWM, and WDT, it is designed for demanding industrial and automotive applications.

  • Wide voltage range (1.8V-5.5V) – flexible power design.
  • Extended temperature range (-40°C to 125°C) – reliable in extreme conditions.
  • 48-TQFP package – good I/O count for complex designs.
  • Integrated safety features – reduces external components.

Robotics Controllers

The 48-TQFP package provides ample I/O for motor drivers and encoders, while 20MHz speed handles PID loops.

Industrial Automation Panels

Extended temperature range and 16KB flash support HMI logic and fieldbus communication in factory settings.

Smart Grid Meters

Low-voltage operation and WDT ensure reliable energy measurement in smart electricity meters.

Automotive Telematics

With 2KB SRAM, it buffers GPS data and vehicle diagnostics for fleet management systems.

Medical Device Interfaces

PWM and POR enable safe control of infusion pumps or patient monitors in clinical environments.

Agricultural Controllers

Robust I/O and 5.5V operation drive irrigation valves and environmental sensors in outdoor installations.

Q: What is the package type?
A: It comes in a 48-TQFP package.
Q: What is the core speed?
A: The AVR core runs at up to 20MHz.
Q: How much flash memory is available?
A: It has 16KB of flash.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V.
Q: What is the operating temperature range?
A: It is rated for -40°C to 125°C.
Base Product Number : ATMEGA1609
16KB Flash 20MHz 2KB SRAM 8-bit Automotive AVR Industrial MCU PWM TQFP-48 WDT
Q: What is the package type?
A: It comes in a 48-TQFP package.
Q: What is the core speed?
A: The AVR core runs at up to 20MHz.
Q: How much flash memory is available?
A: It has 16KB of flash.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V.
Q: What is the operating temperature range?
A: It is rated for -40°C to 125°C.