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XR21B1411IL16TR-F Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
XR21B1411IL16TR-FEXAR3000Yes

XR21B1411IL16TR-F** is a USB UART (Universal Asynchronous Receiver/Transmitter) interface IC manufactured by **Exar Corporation** (now part of **MaxLinear**).

The XR21B1411IL16TR-F is a USB UART (Universal Asynchronous Receiver/Transmitter) interface IC manufactured by Exar Corporation (now part of MaxLinear).

Key Specifications:

  • Interface Type: USB to UART
  • Data Rate: Up to 3 Mbps
  • Operating Voltage: 3.3V
  • Package: 16-pin QFN
  • Operating Temperature: -40°C to +85°C
  • Compliance: USB 2.0 Full-Speed (12 Mbps)
  • Integrated Features:
  • On-chip termination resistors
  • Internal 512-byte transmit/receive FIFOs
  • Automatic hardware/software flow control
  • Supports RS-232, RS-422, and RS-485 serial protocols

Description:

The XR21B1411IL16TR-F is a compact, high-performance USB-to-serial bridge IC designed for embedded applications requiring USB connectivity. It provides a seamless interface between USB and legacy serial protocols (RS-232/422/485) with minimal external components.

Features:

  • Plug-and-play USB connectivity
  • Low power consumption
  • Supports multiple baud rates (up to 3 Mbps)
  • Industrial-grade temperature range
  • Integrated ESD protection (up to ±15kV)
  • Software-compatible with standard UART drivers

This IC is commonly used in industrial automation, POS systems, medical devices, and embedded systems requiring USB-to-serial conversion.

(Note: For detailed electrical characteristics, refer to the official datasheet from Exar/MaxLinear.)

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