AT90USB646-AU Microchip Integrated Circuit (Quad Flat Packages) In Stock

Name: AT90USB646-AU
Brand: Microchip
SKU: AT90USB646-AU
Availability: InStock

MCU, AVR, 8-bit, USB, 64K Flash, TQFP64 Atmel AT90USB646-AU, 8bit AVR Microcontroller, 20MHz, 2 kB, 64 kB Flash, 64-Pin TQFP

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

AT90USB646-AUQuad Flat Packages

Quick Facts

Manufacturer: Microchip
Package: Quad Flat Packages
Pin Count: 64
Lifecycle: ACTIVE
Datasheet: AT90USB646-AU Datasheet PDF
Category: Integrated Circuit
Price: From $5.6400(MOQ 1)
Temp Range: -40.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the specifications of AT90USB646-AU?

Pbfree Code	Yes
Manufacturer Package Code	TQFP-64
Factory Lead Time	7Weeks
YTEOL	14
Has ADC	YES
Additional Feature	OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHz
Address Bus Width	16
Bit Size	8
Boundary Scan	YES
CPU Family	AVR RISC
Clock Frequency-Max	16MHz
DAC Channels	NO
DMA Channels	NO
External Data Bus Width	8
Format	FIXED POINT
Integrated Cache	NO
JESD-30 Code	S-PQFP-G64
JESD-609 Code	e3
Low Power Mode	YES
Number of External Interrupts	16
Number of I/O Lines	48
Number of Serial I/Os	1
Number of Timers	4
On Chip Data RAM Width	8
On Chip Program ROM Width	8
PWM Channels	YES
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	TQFP64,.63SQ,32
Package Shape	SQUARE
Package Style	FLATPACK, THIN PROFILE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
RAM (bytes)	4096
ROM (words)	65536
ROM Programmability	FLASH
Speed	16MHz
Supply Current-Max	30mA
Supply Voltage-Max	5.5V
Supply Voltage-Min	5V
Supply Voltage-Nom	5V
Surface Mount	YES
Technology	CMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	Matte Tin (Sn)
Terminal Form	GULL WING
Terminal Pitch	0.8mm
Terminal Position	QUAD
uPs/uCs/Peripheral ICs Type	MICROCONTROLLER, RISC
Package	Quad Flat Packages

Compliance & Regulatory

RoHS Status	Compliant
Moisture Sensitivity Level	MSL 3
HTS Code	8542.31.00.15
Country of Origin	Taiwan, Thailand

Where can I find the AT90USB646-AU datasheet?

AT90USB646-AU Datasheet Download

Official datasheet from Microchip

What are equivalent replacements for AT90USB646-AU?

Compatible alternatives and drop-in replacements for AT90USB646-AU:

AT90USB647-AUMicrochip Technology Inc

16 MHz, TQFP, Ind Temp, Green,OTG

View Part →

AT90USB1286-AUMicrochip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP64

View Part →

AT90USB1287-AUMicrochip Technology Inc

RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP64

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the price of AT90USB646-AU?

AT90USB646-AU is priced from $5.6400 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is AT90USB646-AU in stock?

AT90USB646-AU is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy AT90USB646-AU?

You can buy AT90USB646-AU from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for AT90USB646-AU from Microchip.

What is the datasheet for AT90USB646-AU?

The official AT90USB646-AU datasheet from Microchip contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does AT90USB646-AU come in?

AT90USB646-AU is available in Quad Flat Packages packaging. See the package diagram and pinout above for detailed dimensional information.

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AvailabilityIn Stock

Reference Price (USD)

From $5.6400

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$8.1000	$8.10
25+	$7.4200	$185.50
90+	$7.0900	$638.10
100+	$6.7100	$671.00
270+	$5.6600	$1528.20
540+	$5.6400	$3045.60

pcs

Unit price: $8.1000 · Total: $8.10

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”

Thomas Mueller

Hardware Lead, SensorTech GmbH, Germany

AT90USB646-AU Microchip Integrated Circuit (Quad Flat Packages) In Stock

What are the specifications of AT90USB646-AU?

Compliance & Regulatory

Where can I find the AT90USB646-AU datasheet?

What are equivalent replacements for AT90USB646-AU?

Frequently Asked Questions

What is the price of AT90USB646-AU?

Is AT90USB646-AU in stock?

Where can I buy AT90USB646-AU?

What is the datasheet for AT90USB646-AU?

What package does AT90USB646-AU come in?

Related Guides

How to Choose ERJ-2RKF49R9X and Related Chip Resistors: Selection Guide

How to Choose a Power Inductor Around XAL6060-103MEB

LM34966QPWPRQ1 Converter Selection and Procurement Guide

ERJ-2RKF49R9X Design Guide for PCB Validation

Why Buy from FindMyChip

About Microchip

More from Microchip

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