USB Interface IC – Mouser Korea, Republic of

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USB UARTs

MaxLinear USB UARTs provide a USB 2.0 data bus interface and are intended for peripheral or inter-system communication. The USB UARTs offer up to four UART ports in an ultra-compact package. The USB UARTs are designed for reliability in consumer and industrial environments.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Product	Type	Mounting Style	Package / Case	Standard	Speed	Data Rate	Supply Voltage - Min	Supply Voltage - Max	Operating Supply Current	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
USB Interface IC 2 CH FS USB UART= 512 Byte TX/RX FIFOs XR21B1422IL40-F MaxLinear 1: ₩10,951.2 1,289In Stock	Mfr. Part # XR21B1422IL40-F Mouser Part # 701-21B1422IL40F	MaxLinear	USB Interface IC 2 CH FS USB UART= 512 Byte TX/RX FIFOs Learn More about MaxLinear exaruart	Datasheet	1,289In Stock	₩10,951.2 ₩8,392.8 ₩7,753.2 ₩7,051.2 View ₩6,583.2 ₩6,411.6 ₩6,208.8 Quote	Min.: 1 Mult.: 1	XR21B1422	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-40	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V, 4.4 V	3.6 V, 5.25 V	15 mA	- 40 C	+ 85 C	Tray
USB Interface IC 1 CH FS USB UART with HID XR21B1421IL28-F MaxLinear 1: ₩8,314.8 175In Stock	Mfr. Part # XR21B1421IL28-F Mouser Part # 701-21B1421IL28F	MaxLinear	USB Interface IC 1 CH FS USB UART with HID Learn More about MaxLinear exaruart	Datasheet	175In Stock	₩8,314.8 ₩6,333.6 ₩5,850 ₩5,304 View ₩4,992 ₩4,960.8 ₩4,914 ₩4,867.2 Quote	Min.: 1 Mult.: 1	XR21B1421	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-28	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V, 4.4 V	3.6 V, 5.25 V	13 mA	- 40 C	+ 85 C	Tray
USB Interface IC 1 Chan FS USB UART w/ 256 Byte FIFO XR21V1410IL16TR-F MaxLinear 1: ₩7,098 19,387In Stock	Mfr. Part # XR21V1410IL16TR-F Mouser Part # 701-XR21V1410IL16TRF	MaxLinear	USB Interface IC 1 Chan FS USB UART w/ 256 Byte FIFO Learn More about MaxLinear xr21v14x uart	Datasheet	19,387In Stock	Cut Tape ₩7,098 ₩5,350.8 ₩4,914 ₩4,446 ₩4,290 Reel ₩4,290 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	XR21V1410	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-16	USB 2.0	Full Speed (FS)	12 Mb/s,kb	2.97 V	3.63 V	20 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
USB Interface IC 1 CH FS USB UART 512 Byte TX/RX FIFOs XR21B1420IL28-F MaxLinear 1: ₩10,420.8 725In Stock	Mfr. Part # XR21B1420IL28-F Mouser Part # 701-21B1420IL28F	MaxLinear	USB Interface IC 1 CH FS USB UART 512 Byte TX/RX FIFOs Learn More about MaxLinear exaruart	Datasheet	725In Stock	₩10,420.8 ₩7,987.2 ₩7,378.8 ₩6,708 View ₩6,396 ₩6,208.8 ₩6,130.8 ₩6,052.8	Min.: 1 Mult.: 1	XR21B1420	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-28	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V, 4.4 V	3.6 V, 5.25 V	15 mA	- 40 C	+ 85 C	Tray
USB Interface IC 1-Ch 12Mbps 48MHz Internal clock; UART XR21V1410IL16-F MaxLinear 1: ₩6,973.2 2,154In Stock	Mfr. Part # XR21V1410IL16-F Mouser Part # 701-XR21V1410IL16-F	MaxLinear	USB Interface IC 1-Ch 12Mbps 48MHz Internal clock; UART Learn More about MaxLinear xr21v14x uart	Datasheet	2,154In Stock	₩6,973.2 ₩5,288.4 ₩4,867.2 ₩4,414.8 View ₩4,056 ₩3,931.2 ₩3,884.4 ₩3,775.2	Min.: 1 Mult.: 1	XR21V1410	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-16	USB 2.0	Full Speed (FS)	12 Mb/s,kb	2.97 V	3.63 V	20 mA	- 40 C	+ 85 C	Tray
USB Interface IC 2-Ch 12Mbps 48MHz Internal clock; UART XR21V1412IL32-F MaxLinear 1: ₩12,620.4 1,028In Stock 490Expected 11/3/2026	Mfr. Part # XR21V1412IL32-F Mouser Part # 701-XR21V1412IL32-F	MaxLinear	USB Interface IC 2-Ch 12Mbps 48MHz Internal clock; UART Learn More about MaxLinear xr21v14x uart	Datasheet	1,028In Stock 490Expected 11/3/2026	₩12,620.4 ₩9,765.6 ₩9,063.6 ₩8,439.6 View ₩7,831.2 ₩7,675.2 ₩7,316.4 Quote	Min.: 1 Mult.: 1	XR21V1412	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-32	USB 2.0	Full Speed (FS)	12 Mb/s,kb	2.97 V	3.63 V	20 mA	- 40 C	+ 85 C	Tray
USB Interface IC 1Ch FS USB UART128B TX & 384B RX FIFO XR21B1411IL16TR-F MaxLinear 1: ₩8,408.4 5,876On Order	Mfr. Part # XR21B1411IL16TR-F Mouser Part # 701-XR21B1411IL16TRF	MaxLinear	USB Interface IC 1Ch FS USB UART128B TX & 384B RX FIFO Learn More about MaxLinear xr21b1411 uart	Datasheet	5,876On Order On Order Ship Dates Mfr. #: XR21B1411IL16TR-F Stock: 0 On Order: 2,876 Expected 1/26/2027 3,000 Expected 2/2/2027 Factory Lead-Time: 26 Weeks	Cut Tape ₩8,408.4 ₩6,396 ₩5,896.8 ₩5,350.8 View Reel ₩5,023.2 ₩5,085.6 ₩5,038.8 ₩5,023.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	XR21B1411	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-16	USB 2.0	Full Speed (FS)	12 Mb/s,kb	4.4 V	5.25 V	11 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
USB Interface IC 4-Ch 12Mbps 48MHz Internal clock; UART XR21V1414IM48-F MaxLinear 1: ₩17,784 7,823Expected 11/3/2026	Mfr. Part # XR21V1414IM48-F Mouser Part # 701-XR21V1414IM48-F	MaxLinear	USB Interface IC 4-Ch 12Mbps 48MHz Internal clock; UART Learn More about MaxLinear xr21v14x uart	Datasheet	7,823Expected 11/3/2026	₩17,784 ₩13,899.6 ₩12,932.4 ₩11,856 View ₩11,372.4 ₩11,138.4	Min.: 1 Mult.: 1	XR21V1414	USB Controllers	Bridge, USB to UART	SMD/SMT	TQFP-48	USB 2.0	Full Speed (FS)	12 Mb/s,kb	2.97 V	3.63 V	16 mA	- 40 C	+ 85 C	Tray
USB Interface IC 1Ch FS USB UART128B TX & 384B RX FIFO XR21B1411IL16-F MaxLinear 1: ₩8,704.8 3,326On Order	Mfr. Part # XR21B1411IL16-F Mouser Part # 701-XR21B1411IL16-F	MaxLinear	USB Interface IC 1Ch FS USB UART128B TX & 384B RX FIFO Learn More about MaxLinear xr21b1411 uart	Datasheet	3,326On Order On Order Ship Dates Mfr. #: XR21B1411IL16-F Stock: 0 On Order: 1,366 Expected 11/10/2026 1,960 Expected 2/23/2027 Factory Lead-Time: 26 Weeks	₩8,704.8 ₩6,645.6 ₩6,130.8 ₩5,553.6 View ₩5,132.4 ₩4,976.4 ₩4,804.8	Min.: 1 Mult.: 1	XR21B1411	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-16	USB 2.0	Full Speed (FS)	12 Mb/s,kb	4.4 V	5.25 V	11 mA	- 40 C	+ 85 C	Tray
USB Interface IC XR21V1414IM48TR-F XR21V1414IM48TR-F MaxLinear 1: ₩17,784 1,518On Order	Mfr. Part # XR21V1414IM48TR-F Mouser Part # 701-XR21V1414IM48TRF	MaxLinear	USB Interface IC XR21V1414IM48TR-F Learn More about MaxLinear xr21v14x uart	Datasheet	1,518On Order On Order Ship Dates Mfr. #: XR21V1414IM48TR-F Stock: 0 On Order: 18 Expected 11/6/2026 1,500 Expected 11/13/2026 Factory Lead-Time: 26 Weeks	Cut Tape ₩17,784 ₩13,899.6 ₩12,932.4 ₩11,856 View Reel ₩10,374 ₩11,466 ₩11,356.8 ₩10,374 ₩10,374 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	XR21V1414	USB Controllers	Bridge, USB to UART	SMD/SMT	TQFP-48	USB 2.0	Full Speed (FS)	12 Mb/s,kb	2.97 V	3.63 V	16 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
USB Interface IC 1 CH FS USB UART with HID XR21B1421IL24-F MaxLinear 490: ₩5,163.6 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # XR21B1421IL24-F Mouser Part # 701-21B1421IL24F	MaxLinear	USB Interface IC 1 CH FS USB UART with HID Learn More about MaxLinear exaruart	Datasheet	Non-Stocked Lead-Time 12 Weeks	₩5,163.6 ₩5,132.4 ₩5,101.2	Min.: 490 Mult.: 490	XR21B1421	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-24	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V, 4.4 V	3.6 V, 5.25 V	13 mA	- 40 C	+ 85 C	Tray
USB Interface IC 1 CH FS USB UART 512 Byte TX/RX FIFOs XR21B1420IL28TR-F MaxLinear 3,000: ₩6,723.6 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # XR21B1420IL28TR-F Mouser Part # 701-21B1420IL28TRF	MaxLinear	USB Interface IC 1 CH FS USB UART 512 Byte TX/RX FIFOs Learn More about MaxLinear exaruart	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel ₩6,723.6	Min.: 3,000 Mult.: 3,000 : 3,000	XR21B1420	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-28	USB 2.0	Full Speed (FS)	12 Mb/s,kb	3 V, 4.4 V	3.6 V, 5.25 V	15 mA	- 40 C	+ 85 C	Reel
USB Interface IC 2 Chan FS USB UART w/ 256 Byte FIFO XR21V1412IL32TR-F MaxLinear 3,000: ₩8,127.6 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # XR21V1412IL32TR-F Mouser Part # 701-XR21V1412IL32TRF	MaxLinear	USB Interface IC 2 Chan FS USB UART w/ 256 Byte FIFO Learn More about MaxLinear xr21v14x uart	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel ₩8,127.6	Min.: 3,000 Mult.: 3,000 : 3,000	XR21V1412	USB Controllers	Bridge, USB to UART	SMD/SMT	QFN-32	USB 2.0	Full Speed (FS)	12 Mb/s,kb	2.97 V	3.63 V	16 mA	- 40 C	+ 85 C	Reel

USB UARTs

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