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XR21B1411_17 Datasheet, PDF (31/32 Pages) Exar Corporation – ENHANCED 1-CH FULL-SPEED USB UART
REV. 1.2.1
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
July 2016
1.0.2
1.1.0
1.2.0
July 2017
1.2.1
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.
Updated package drawing, ordering information format and added MaxLinear logos.
NOTICE
The content of this document is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by MaxLinear, Inc.. MaxLinear,
Inc. assumes no responsibility or liability for any errors or inaccuracies that may appear in the informational content contained in this guide. Complying with all applicable copyright laws
is the responsibility of the user. Without limiting the rights under copyright, no part of this document may be reproduced into, stored in, or introduced into a retrieval system, or transmitted
in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the express written permission of MaxLinear, Inc.
Maxlinear, Inc. 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 MaxLinear, Inc. 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 MaxLinear, Inc. is adequately protected
under the circumstances.
MaxLinear, Inc. may have patents, patent applications, trademarks, copyrights, or other intellectual property rights covering subject matter in this document. Except as expressly
provided in any written license agreement from MaxLinear, Inc., the furnishing of this document does not give you any license to these patents, trademarks, copyrights, or other
intellectual property.
Company and product names may be registered trademarks or trademarks of the respective owners with which they are associated.
© 2010 - 2017 MaxLinear, Inc. All rights reserved
Send your UART technical inquiry with technical details to hotline: uarttechsupport@exar.com.
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