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ATMEGA644PA-AU Embedded - Microcontrollers by Microchip Technology

ATMEGA644PA-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. IC MCU 8BIT 64KB FLASH 44TQFP. TrustCompo combines the available model, brand, hierarchy, and specification details around ATMEGA644PA-AU so buyers can move faster from review to quotation.

RoHS
Datasheet
ATMEGA644PA-AU Embedded - Microcontrollers by Microchip Technology | TrustCompo
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Documentation support

Pre-shipment inspection review

Part Number

ATMEGA644PA-AU

Internal code

TCE000012303

Package

-

Manufacturer

Microchip Technology

Key specifications

Series

AVR® ATmega

Min Quantity

1

Category

Integrated Circuits (ICs)

Sub Category

Embedded - Microcontrollers

Description

IC MCU 8BIT 64KB FLASH 44TQFP

key Attributes

-

Datasheet

View ATMEGA644PA-AU Datasheet

Technical document

Open The Official Datasheet

Review the latest datasheet for ATMEGA644PA-AU from Microchip Technology in a separate tab so engineers and buyers can check package, electrical characteristics, and application details without leaving this product page.

View ATMEGA644PA-AU Datasheet

Why request a quote

Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.

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

Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.

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

A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.

1

Confirm part and quantity

Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.

2

Send RFQ or sample request

Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.

3

Align delivery, payment, and documentation

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Policies buyers usually check

These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.

Get a Sample

Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.

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Shipping & Delivery

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Payment Terms

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Quality & Traceability Center

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Structured product content

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Popular Specs Surfaced First

Product Parameter

DMA Channels

NO

Product Parameter

Integrated Cache

NO

Product Parameter

Number Of Serial I/Os

2

Product Parameter

Boundary Scan

Yes

Product Parameter

Watchdog Timer

Yes

Product Parameter

Low Power Mode

Yes

DMA Channels
NO
Integrated Cache
NO
Number Of Serial I/Os
2
Boundary Scan
Yes
Watchdog Timer
Yes
Low Power Mode
Yes
Has ADC
Yes
Number Of I2C Channels
1
Number Of Timers/Counters
3
Number Of External Interrupts
3
Number Of PWM Channels
6
Program Memory Type
Flash
Bit Size
8
Supply Voltage-Max (Vsup)
5.5V
Format
FIXED-POINT
Oscillator Type
Internal
UPs/UCs/Peripheral ICs Type
MICROCONTROLLER, RISC
Connectivity
I2C, SPI, UART/USART
Terminal Finish
Matte Tin (Sn)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Data Converter
A/D 8x10b
Voltage - Supply (Vcc/Vdd)
1.8V~5.5V
Data Bus Width
8b
Core Size
8-Bit
RAM Size
4K x 8
Core Processor
AVR
Supply Current-Max
9mA
Power Supplies
2/5V
Memory Size
64kB
Program Memory Size
64KB 32K x 16
JESD-609 Code
e3
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
Moisture Sensitivity Level (MSL)
3 (168 Hours)
HTSUS
8542.31.0001
Part Status
Active
Radiation Hardening
NO
Packaging
Tray
Pbfree Code
Yes
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Mounting Type
Surface Mount
Mount
Surface Mount
Published
2006
Factory Lead Time
6 Weeks
Reflow Temperature-Max (S)
40
Number Of I/O
32
Number Of ADC Channels
8
Number Of Pins
44
Number Of Terminations
44
Categories
Integrated Circuits (ICs)
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Technology
CMOS
Terminal Position
QUAD
Operating Temperature
-40°C~85°C TA
Subcategory
Microcontrollers
Sub-Categories
Embedded - Microcontrollers
EEPROM Size
2K x 8
Length
10.1mm
Width
10.1mm
Frequency
20MHz
Height
1.05mm
Manufacturer
Microchip Technology
Series
AVR® ATmega
Package / Case
44-TQFP
Interface
2-Wire, I2C, SPI, UART, USART
Base Part Number
ATMEGA644PA
Manufacturer'S Part No.
ATMEGA644PA-AU

Common questions

Product FAQ

Quick answers for buyers reviewing ATMEGA644PA-AU, stock, documentation, and sourcing steps.

What is ATMEGA644PA-AU?

ATMEGA644PA-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 ATMEGA644PA-AU?

ATMEGA644PA-AU is listed with package reference -. The current product description is IC MCU 8BIT 64KB FLASH 44TQFP, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.

Is ATMEGA644PA-AU available in stock?

This page currently shows 11105 units in stock and 86507 units available for ATMEGA644PA-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 ATMEGA644PA-AU?

Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for ATMEGA644PA-AU by Microchip Technology. The TrustCompo team can review price, availability, and documentation support.

Is a datasheet available for ATMEGA644PA-AU?

Yes. This page links to the datasheet for ATMEGA644PA-AU by Microchip Technology, so engineers and buyers can review package, ratings, and application details before purchase.

How should buyers verify ATMEGA644PA-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 ATMEGA644PA-AU before approving the order.

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