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ATMEGA128A-AU Embedded - Microcontrollers by Microchip Technology

ATMEGA128A-AU is a Embedded - Microcontrollers model from Microchip Technology, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / Embedded - Microcontrollers product path. Known package information currently points to TQFP under the Microchip Technology brand listing. IC MCU 8BIT 128KB FLASH 64TQFP. TrustCompo combines the available model, brand, hierarchy, and specification details around ATMEGA128A-AU so buyers can move faster from review to quotation.

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ATMEGA128A-AU Embedded - Microcontrollers by Microchip Technology | TrustCompo
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Part Number

ATMEGA128A-AU

Internal code

TCE000067542

Package

TQFP

Manufacturer

Microchip Technology

Key specifications

Series

AVR® ATmega

Min Quantity

1

Category

Integrated Circuits (ICs)

Sub Category

Embedded - Microcontrollers

Description

IC MCU 8BIT 128KB FLASH 64TQFP

key Attributes

-

Datasheet

View ATMEGA128A-AU Datasheet

Technical document

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Why request a quote

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RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review

Trust signals

Globally recognized certifications

4 certifications

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ISO 9001

Quality management processes for more consistent sourcing and handling.

AS9120B

Aerospace-focused distribution controls for traceability and reliability.

ISO 14001

Environmental management discipline across warehouse and operating workflows.

ESD Control

Electrostatic handling standards to help protect sensitive components.

Ordering workflow

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How to order this product

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1

Confirm part and quantity

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2

Send RFQ or sample request

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3

Align delivery, payment, and documentation

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Policies buyers usually check

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Quality & Traceability Center

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Structured product content

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Product overview

Overview

The ATMEGA128A-AU is a high-performance microcontroller manufactured by Microchip Technology. It belongs to the ATmega series of 8-bit AVR microcontrollers, known for their versatile features, robust performance, and wide range of applications. The ATMEGA128A-AU is designed to offer advanced processing capabilities and flexibility for embedded system development.

Key Features:

  • High-Performance AVR Core: The ATMEGA128A-AU features a powerful AVR 8-bit RISC microcontroller core, offering high-speed operation and efficient execution of instructions for various applications.
  • Memory: It includes 128KB of in-system programmable Flash memory for storing program code, ensuring ample space for firmware and software updates. Additionally, it incorporates 4KB of EEPROM for non-volatile data storage and 4KB of SRAM for temporary data storage during program execution.
  • Peripheral Integration: This microcontroller integrates a wide range of peripherals and interfaces, including USART, SPI, TWI (I2C), ADC, PWM, and timers/counters, providing versatile connectivity options for interfacing with external devices and sensors.
  • Analog-to-Digital Converter (ADC): Equipped with a high-resolution 10-bit ADC, the ATMEGA128A-AU enables precise analog signal acquisition and conversion for sensor interfacing, measurement applications, and analog data processing.
  • Serial Communication: It supports multiple serial communication protocols such as USART (Universal Synchronous and Asynchronous Receiver-Transmitter) and SPI (Serial Peripheral Interface), facilitating seamless data exchange with external peripherals, sensors, and communication modules.
  • Flexible Clocking Options: The microcontroller offers flexible clocking options, including internal calibrated RC oscillator, external crystal oscillator, and external clock input, allowing developers to choose the appropriate clock source based on application requirements.
  • Low-Power Operation: With advanced power-saving modes and low-power consumption characteristics, the ATMEGA128A-AU is suitable for battery-powered and energy-efficient applications, extending the battery life in portable devices and IoT (Internet of Things) applications.
  • Robust Development Ecosystem: Supported by a comprehensive development ecosystem, including development tools, integrated development environments (IDEs), and libraries, the ATMEGA128A-AU simplifies the development process and accelerates time-to-market for embedded projects.

Applications:

  • Industrial Control Systems
  • Home Automation
  • Consumer Electronics
  • Automotive Electronics
  • Smart Metering
  • IoT Devices
  • Robotics
  • Medical Devices

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Popular Specs Surfaced First

Export Classifications & Environmental

JESD-609 Code

e3

Export Classifications & Environmental

RoHS Status

ROHS3 Compliant

Export Classifications & Environmental

REACH SVHC

No SVHC

Export Classifications & Environmental

Moisture Sensitivity Level (MSL)

3 (168 Hours)

Product Attribute

Part Status

Active

Product Attribute

Packaging

Tray

JESD-609 Code
e3
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
Moisture Sensitivity Level (MSL)
3 (168 Hours)
Part Status
Active
Packaging
Tray
Lead Free
Lead Free
Mounting Type
Surface Mount
Published
2003
Factory Lead Time
7 Weeks
Termination
SMD/SMT
Categories
Integrated Circuits (ICs)
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Supply Voltage
5V
Technology
CMOS
Width
14.1mm
Terminal Position
QUAD
Operating Temperature
-40°C~85°C TA
Subcategory
Microcontrollers
Sub-Categories
Embedded - Microcontrollers
Frequency
16MHz
Height
1.05mm
Manufacturer
Microchip Technology
Package / Case
64-TQFP
Series
AVR® ATmega
Interface
EBI/EMI, I2C, SPI, UART, USART
Contact Plating
Tin
Radiation Hardening
No
Number Of Pins
64
Number Of Terminations
64
Mount
Surface Mount
Pbfree Code
yes
Voltage
5V
Number Of I/O
53
Length
14.1mm
Base Part Number
ATMEGA128A
Manufacturer'S Part No.
ATMEGA128A-AU
Oscillator Type
Internal
UPs/UCs/Peripheral ICs Type
MICROCONTROLLER, RISC
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
RAM Size
4K x 8
Bit Size
8
Data Bus Width
8b
Has ADC
YES
Time@Peak Reflow Temperature-Max (S)
40
Number Of Timers/Counters
4
Number Of UART Channels
2
Voltage - Supply (Vcc/Vdd)
2.7V~5.5V
Speed
FLASH
RAM (Words)
8
Tim
Yes
Integrated Cache
1 Mb
Voltage - Supply (Vcc\/Vdd)
128kB
Output Voltage-Nom (FM)
8-Bit
Access Time
1
Connectivity
4K x 8
Core Size
128KB 64K x 16
Mfr
AVR
Data Converters
A/D 8x10b
Core Processor
EBI/EMI, I2C, SPI, UART/USART

Common questions

Product FAQ

Quick answers for buyers reviewing ATMEGA128A-AU, stock, documentation, and sourcing steps.

What is ATMEGA128A-AU?

ATMEGA128A-AU is a Embedded - Microcontrollers component from Microchip Technology. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.

What package and description are listed for ATMEGA128A-AU?

ATMEGA128A-AU is listed with package reference TQFP. The current product description is IC MCU 8BIT 128KB FLASH 64TQFP, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.

Is ATMEGA128A-AU available in stock?

This page currently shows 196236 units in stock and 40541 units available for ATMEGA128A-AU. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.

Can I request a quote or sample for ATMEGA128A-AU?

Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for ATMEGA128A-AU by Microchip Technology. The TrustCompo team can review price, availability, and documentation support.

Is a datasheet available for ATMEGA128A-AU?

Yes. This page links to the datasheet for ATMEGA128A-AU by Microchip Technology, so engineers and buyers can review package, ratings, and application details before purchase.

How should buyers verify ATMEGA128A-AU before ordering?

Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for ATMEGA128A-AU before approving the order.

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