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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 2008 EXAR Corporation
Datasheet March 2008.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
XR18W753
SINGLE CHIP 868MHZ TO 956MHZ RF TRANSCEIVER REV. 1.0.0
REVISION HISTORY
DATE REVISION DESCRIPTION
February 2007 P1.0.0 Preliminary Datasheet.
September 2007 P1.0.1 Updated to new datasheet template.
March 2008 1.0.0 Final Datasheet
