XR16L2551_07 Datasheet, PDF (47/49 Pages) Exar Corporation – LOW VOLTAGE DUART WITH POWERSAVE

REV. 1.1.3
XR16L2551
LOW VOLTAGE DUART WITH POWERSAVE
REVISION HISTORY
DATE
REVISION
November 2002
March 2003
P1.0.0
P1.0.1
May 2003
P1.0.2
June 2003
P1.0.3
July 2003
P1.0.4
September 2003 1.0.0
September 2004 1.1.0
May 2005
April 2006
1.1.1
1.1.2
May 2007
1.1.3
DESCRIPTION
Preliminary Datasheet.
Updated AC Electrical Characteristics. Updated register set with enhanced features.
Added patent number to first page. Added 32 pin QFN package dimensions.
Added Device Status to Ordering Information.
Updated AC Electrical Characteristics.
Final Production Release. Updated 5V tolerance information.
Corrected 32-QFN package dimension descriptions. Added GND center pad pin
description. Added Device Revision and Device ID registers and descriptions.
Updated the Data Access Time (T_RDV and T_RDA) in AC Electrical Characteristics.
Updated the "Voltage at Any Pin" to "GND-0.3 V to +5.5 V." SEE ”ABSOLUTE
MAXIMUM RATINGS” ON PAGE 36.
Updated the QFN package drawing and added the parameter "k".
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 2007 EXAR Corporation
Datasheet May 2007.
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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