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Home Products Integrated Circuits (ICs)Interface - Controllers~~XR21B1421IL28TR-F~~

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XR21B1421IL28TR-F - MaxLinear, Inc.

Name: MaxLinear, Inc. XR21B1421IL28TR-F
Brand: MaxLinear, Inc.
SKU: XR21B1421IL28TR-F
Availability: InStock
Rating: 5 (8 reviews)

Manufacturer Part Number: XR21B1421IL28TR-F

Manufacturer: Exar (MaxLinear)

Allelco Part Number: 98D-XR21B1421IL28TR-F

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC USB HID-UART BRIDGE 1CH 28QFN

Package: 28-QFN (5x5)

Data sheet: 1.XR21B1421IL28TR.pdf ...

Datasheets
Cylindrical Battery Holders.pdf

PCN Design/Specification
Cylindrical Battery Holders.pdf

PCN Assembly/Origin
XR2YYY 31/Jan/2017.pdf

PCN Obsolescence/ EOL
Cylindrical Battery Holders.pdf

HTML Datasheet
XR21B1421.pdf

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Specifications

XR21B1421IL28TR-F Tech Specifications
MaxLinear, Inc. - XR21B1421IL28TR-F technical specifications, attributes, parameters and parts with similar specifications to MaxLinear, Inc. - XR21B1421IL28TR-F

Product Attribute	Attribute Value
Manufacturer	Exar (MaxLinear)
Voltage - Supply	3V ~ 3.6V
Supplier Device Package	28-QFN (5x5)
Standards	USB 2.0
Series	-
Protocol	USB

Product Attribute	Attribute Value
Package / Case	28-VFQFN Exposed Pad
Package	Tape & Reel (TR)
Operating Temperature	-40°C ~ 85°C
Interface	UART
Function	Bridge, USB to UART
Current - Supply	13mA

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
Moisture Sensitivity Level (MSL)	3 (168 Hours)
ECCN	EAR99
HTSUS	8542.39.0001

Parts with Similar Specifications

The three parts on the right have similar specifications to MaxLinear, Inc. XR21B1421IL28TR-F

Product Attribute
Part Number	XR21B1420IL28TR-F	XR21B1421IL24TR-F	XR21B1421IL28-F	XR21B1420IL28-F
Manufacturer	MaxLinear, Inc.	MaxLinear, Inc.	MaxLinear, Inc.	MaxLinear, Inc.
Voltage - Supply	-	-	-	-
Series	-	-	-	-
Current - Supply	-	-	-	-
Protocol	-	-	-	-
Standards	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Interface	-	-	-	-
Function	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad

XR21B1421IL28TR-F Datasheet PDF

Download XR21B1421IL28TR-F pdf datasheets and MaxLinear, Inc. documentation for XR21B1421IL28TR-F - MaxLinear, Inc..

Datasheets: Cylindrical Battery Holders.pdf
PCN Design/Specification: Cylindrical Battery Holders.pdf
PCN Assembly/Origin: XR2YYY 31/Jan/2017.pdf
PCN Obsolescence/ EOL: Cylindrical Battery Holders.pdf
HTML Datasheet: XR21B1421.pdf

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Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

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