XR16L580_07 Datasheet, PDF (50/52 Pages) Exar Corporation – SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE

XR16L580
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
REV. 1.4.1
REVISION HISTORY
DATE
REVISION
DESCRIPTION
November 2003 Rev 1.0.0 Final Datasheet. Updated DC and AC Electical Characteristics Tables.
December 2003 Rev 1.1.0 Added missing 16 Mode (Intel) data bus read timing diagram.
January 2004 Rev 1.2.0 Updated DC Electrical Characteristics to include ICC and Sleep/Power-Save current for
final production devices of 48-TQFP and 32-QFN packages.
October 2004 Rev 1.3.0 Corrected 32-QFN package dimension descriptions. Added GND center pad pin descrip-
tion.
February 2005 Rev 1.3.1 Corrected 32-QFN pinout on page 2 (pinout with 16/68# pin connected to GND is for
Motorola bus mode).
August 2005
Rev 1.4.0 Added 28-QFN and 24-QFN packages. The modem pins DTR#, DSR#, RI# and CD# are
not available in the 28-QFN package. The modem pins RTS#, CTS#, DTR#, DSR#, RI#
and CD# are not available in the 24-QFN package.
May 2007 Rev 1.4.1 Updated QFN package dimensions drawing to show minimum "k" parameter.
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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