XR16V654_0709 Datasheet, PDF (56/58 Pages) Exar Corporation – 2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO

XR16V654/654D
2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO
REV. 1.0.2
REVISION HISTORY
DATE
REVISION
DESCRIPTION
April 2006
May 2006
Rev A1.0.0 Advanced Datasheet.
Rev P1.0.0 Preliminary Datasheet.
July 2006
Rev P1.0.1 Updated AC Electrical Characteristics.
October 2006 Rev P1.0.2 Updated DC Electrical Characteristics.
January 2007
Rev 1.0.0 Final Datasheet.
May 2007
September 2007
Rev 1.0.1
Rev 1.0.2
Updated QFN package dimensions drawing to show minimum "k" parameter.
Corrected RX and TX FIFO trigger levels.
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 September 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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