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Microchip TechnologyIntegrated Circuits (ICs)Embedded - Microcontrollers

ATMEGA644P-20MQ Embedded - Microcontrollers by Microchip Technology

ATMEGA644P-20MQ 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 44VQFN. TrustCompo combines the available model, brand, hierarchy, and specification details around ATMEGA644P-20MQ so buyers can move faster from review to quotation.

RoHS
Datasheet
ATMEGA644P-20MQ Embedded - Microcontrollers by Microchip Technology | TrustCompo
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Documentation support

Pre-shipment inspection review

Part Number

ATMEGA644P-20MQ

Internal code

TCE000093979

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 44VQFN

key Attributes

-

Datasheet

View ATMEGA644P-20MQ Datasheet

Technical document

Open The Official Datasheet

Review the latest datasheet for ATMEGA644P-20MQ 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 ATMEGA644P-20MQ Datasheet

Why request a quote

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

Confirm stock and lead-time expectations
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Align inspection and fulfillment details

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

Understand how to order and what policies support the purchase

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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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Product overview

Overview

IC MCU 8BIT 64KB FLASH 44VQFN

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Popular Specs Surfaced First

Product Parameter

Oscillator Type

Internal

Product Parameter

UPs/UCs/Peripheral ICs Type

MICROCONTROLLER, RISC

Product Parameter

Connectivity

I2C, SPI, UART/USART

Product Parameter

Peripherals

Brown-out Detect/Reset, POR, PWM, WDT

Product Parameter

Data Converter

A/D 8x10b

Product Parameter

Core Size

8-Bit

Oscillator Type
Internal
UPs/UCs/Peripheral ICs Type
MICROCONTROLLER, RISC
Connectivity
I2C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Data Converter
A/D 8x10b
Core Size
8-Bit
RAM Size
4K x 8
Core Processor
AVR
Memory Size
64kB
Program Memory Size
64KB 32K x 16
Number Of Timers/Counters
3
Bit Size
8
Program Memory Type
FLASH
DMA Channels
NO
Data Bus Width
8b
Supply Voltage-Max (Vsup)
5.5V
Has ADC
YES
PWM Channels
YES
DAC Channels
NO
Supply Voltage-Min (Vsup)
4.5V
Voltage - Supply (Vcc/Vdd)
2.7V~5.5V
Part Status
Active
Packaging
Tray
REACH Status
REACH Unaffected
ECCN
EAR99
Mounting Type
Surface Mount
Published
1997
Factory Lead Time
7 Weeks
Categories
Integrated Circuits (ICs)
Supply Voltage
5V
Technology
CMOS
Terminal Position
QUAD
Terminal Pitch
0.5mm
Sub-Categories
Embedded - Microcontrollers
Operating Temperature
-40°C~105°C TA
Frequency
20MHz
Manufacturer
Microchip Technology
Terminal Form
NO LEAD
Series
AVR® ATmega
Screening Level
TS 16949
Interface
2-Wire, I2C, SPI, UART, USART
Package / Case
44-VFQFN Exposed Pad
Contact Plating
Tin
Number Of Pins
44
Number Of Terminations
44
Mount
Surface Mount
Pbfree Code
yes
On Chip Program ROM Width
16
Number Of I/O
32
Length
7mm
EEPROM Size
2K x 8
Base Part Number
ATMEGA644P
Additional Feature
OPERATES AT 2.7 V MIN @ 10 MHZ
Manufacturer'S Part No.
ATMEGA644P-20MQ
Height Seated (Max)
1mm
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
HTSUS
8542.31.0001

Common questions

Product FAQ

Quick answers for buyers reviewing ATMEGA644P-20MQ, stock, documentation, and sourcing steps.

What is ATMEGA644P-20MQ?

ATMEGA644P-20MQ 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 ATMEGA644P-20MQ?

ATMEGA644P-20MQ is listed with package reference -. The current product description is IC MCU 8BIT 64KB FLASH 44VQFN, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.

Is ATMEGA644P-20MQ available in stock?

This page currently shows 15871 units in stock and 13183 units available for ATMEGA644P-20MQ. 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 ATMEGA644P-20MQ?

Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for ATMEGA644P-20MQ by Microchip Technology. The TrustCompo team can review price, availability, and documentation support.

Is a datasheet available for ATMEGA644P-20MQ?

Yes. This page links to the datasheet for ATMEGA644P-20MQ by Microchip Technology, so engineers and buyers can review package, ratings, and application details before purchase.

How should buyers verify ATMEGA644P-20MQ before ordering?

Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for ATMEGA644P-20MQ before approving the order.

More sourcing insights

Articles

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