Exar expands USB UART product line

Fremont, Calif. – Exar Corp. has expanded its Full-Speed USB UART series with a device that provides ± 15kV HBM ESD protection, up to 12Mbps serial data rate, optimized software drivers, including Microsoft WHQL certification, and support for very large FIFO sizes.

The XR21B1411 has a USB device controller that is compliant with Full-Speed (12Mbps) USB 2.0 specification.  It has an on-chip one-time programmable (OTP) memory that can be used for customizing the device features through the USB interface. These features include Vendor ID, Product ID, bus-powered mode, self powered mode, remote wakeup support or maximum power consumption values, and default baud rate settings.

The XR21B1411 targets embedded and consumer applications. Embedded applications include gaming systems, ATM machines, and industrial automation systems amongst others. Consumer applications include smart phones, Personal Digital Assistants (PDAs), notebooks, GPS systems, DVD players/recorders and other portable applications.

Key highlights:

• ±15kV HBM ESD on USBD+/USBD-
• USB 2.0 Compliant Interface
  • Supports 12 Mbps USB full-speed data rate
  • Supports USB suspend, resume and remote wakeup operations
• Enhanced UART Features
• Internal 48 MHz clock with clock divisors programmable down to 6 MHz
• Single 5V power supply
• 16-pin QFN package
• Virtual COM Port drivers

Pricing: In 1k quantities the XR21B1411 is priced at $1.89.

Availability: Samples of the XR21B1411 are available now in a 16-pin 3mm x 3mm QFN at 4.75V-5.25V operation over the industrial temperature range.

Datasheet: Click here.