XR21B1411IL-0A-EB Datasheet, PDF (30/30 Pages) Exar Corporation – ENHANCED 1-CH FULL-SPEED USB UART

REV. 1.2.0
XR21B1411
ENHANCED 1-CH FULL-SPEED USB UART
REVISION HISTORY
DATE
September 2010
REVISION
1.0.0
October 2010
1.0.1
November 2010
January 2011
1.0.2
1.1.0
July 2016
1.2.0
DESCRIPTION
Initial Datasheet.
Released Datasheet.
Corrected definition of Self powered bit in OTP. Updated modem IO 5V tolerance.
Added unique preprogrammed serial number description
Added Windows driver versions, minor clarifications including requirement for odd
Product ID in Windows OS. Reduced absolute maximum Vcc rating and reduced VIH
in DC Electrical Characteristics. Added tape and reel part number in Ordering Infor-
mation section. Clarified VBUS_SENSE pin definition in bus powered mode.
NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to
improve design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any
circuits described herein, conveys no license under any patent or other right, and makes no representation that
the circuits are free of patent infringement. Charts and schedules contained here in are only for illustration
purposes and may vary depending upon a user’s specific application. While the information in this publication
has been carefully checked; no responsibility, however, is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the
failure or malfunction of the product can reasonably be expected to cause failure of the life support system or
to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless
EXAR Corporation receives, in writing, assurances to its satisfaction that: (a) the risk of injury or damage has
been minimized; (b) the user assumes all such risks; (c) potential liability of EXAR Corporation is adequately
protected under the circumstances.
Copyright 2016 EXAR Corporation
Datasheet July 2016.
Send your UART technical inquiry with technical details to hotline: [e-mail].
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
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