Question 1

What are the key features of Microchip Technology ATMEGA644A-AU?

EZKEY · Accepted Answer

This product belongs to the 8-bit Microcontrollers - MCU category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Microchip Technology with full traceability.

Question 2

What are the main application scenarios for ATMEGA644A-AU?

EZKEY · Accepted Answer

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

Question 3

How does ATMEGA644A-AU work?

EZKEY · Accepted Answer

This device follows established 8-bit Microcontrollers - MCU design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

Question 4

What is the technical performance of ATMEGA644A-AU?

EZKEY · Accepted Answer

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

Question 5

What is the current market demand for ATMEGA644A-AU?

EZKEY · Accepted Answer

The global 8-bit Microcontrollers - MCU market is growing at ~6-8% CAGR, with particularly strong demand in power management. Microchip Technology ATMEGA644A-AU is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

Question 6

What are the technical characteristics of ATMEGA644A-AU?

EZKEY · Accepted Answer

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Microchip Technology provides full technical support and reference designs.

Brand	Microchip Technology
Category	8-bit Microcontrollers - MCU
Core	AVR
Data Tier	Family Level
Description	8-bit Microcontrollers - MCU 20 MHz Ind Temp
EEPROM	2 KB EEPROM
Flash Memory	64 KB Flash
Manufacturer	Microchip Technology
Max Clock Frequency	20 MHz
Operating Temperature	-40 to +85 C
Operating Voltage	1.8 to 5.5 V
Packaging	Tray
Product Type	Microcontroller (MCU)
RoHS	Compliant
SRAM	4 KB SRAM
Standard Pack Qty	160

Recommended Part	Brand	Description
ATSAMR30G18A-MU	Microchip Technology	48 PIN SIP 256K MCU + 802.15.4 S
ATMEGA8A-AU	Microchip Technology	IC MCU 8BIT 8KB FLASH 32TQFP
AT25040B-MAHL-T	Microchip Technology	IC EEPROM 4K SPI 20MHZ 8UDFN

ATMEGA644A-AU | Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

ATMEGA644A-AU Application and Selection Guide

ATMEGA644A-AU Model and Manufacturer Information

ATMEGA644A-AU Product Parameters and Description

ATMEGA644A-AU Application and Selection Reference

Recommended Part Numbers for ATMEGA644A-AU