XR21B1422 Datasheet and Specifications PDF

The XR21B1422 is a Enhanced 2-Ch Full-Speed USB UART.

Key Specifications

PackageQFN
Operating Voltage3.3 V
Max Voltage (typical range)3.6 V
Min Voltage (typical range)3 V
Max Frequency48 MHz
Length6 mm
Width6 mm
Max Operating Temp85 °C
Part NumberXR21B1422 Datasheet
ManufacturerMaxLinear
Overview The XR21B1422 is an enhanced Universal Asynchronous Receiver and Transmitter (UART) bridge to USB interface. The USB interface is fully compliant to the USB 2.0 (Full-Speed) specification with 12 Mbps.
* ±15kV ESD on USBD+/USBD
* USB 2.0 Compliant, Full-Speed (12Mbps)
* Unique pre-programmed USB serial number
* Internally generated 48MHz core clock
* Enhanced UART features
* Baud rates from 300 bps to 12 Mbps
* Fractional Baud Rate Generator
* 512-byte TX and 512-byte RX FIFOs
* Auto Hardware / Sof.
Part NumberXR21B1422 Datasheet
DescriptionEnhanced 2-Ch Full-Speed USB UART
ManufacturerExar
Overview The XR21B1422 is an enhanced Universal Asynchronous Receiver and Transmitter (UART) bridge to USB interface. The USB interface is fully compliant to the USB 2.0 (Full-Speed) specification with 12 Mbps.
* ±15kV ESD on USBD+/USBD
* USB 2.0 Compliant, Full-Speed (12Mbps)
* Unique pre-programmed USB serial number
* Internally generated 48MHz core clock
* Enhanced UART features
* Baud rates up to 12 Mbps
* Fractional Baud Rate Generator
* 512-byte TX and 512-byte RX FIFOs
* Auto Hardware / Software Flow.

Price & Availability

Seller Inventory Price Breaks Buy
DigiKey 1 1+ : 6.32 USD
10+ : 4.85 USD
25+ : 4.482 USD
100+ : 4.078 USD
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Future Electronics 0 10+ : 3.92 USD
30+ : 3.87 USD
100+ : 3.81 USD
200+ : 3.77 USD
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Avnet 0 490+ : 3.67143 USD
980+ : 3.51552 USD
1960+ : 3.45186 USD
3920+ : 3.43425 USD
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