XRT72L50IQ Просмотр технического описания (PDF) - Exar Corporation
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XRT72L50IQ Datasheet PDF : 471 Pages
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XRT72L50
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SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. 1.2.1
REVISION HISTORY
Added sections on HDLC controller.
Rev 1.1.3 -- Made corrections to figures 37, 38, 39, 65, 75, 102, 120, 130, 161, 163, 178 and 188.
Rev 1.1.4 -- Figure 2: Pin Out diagram & Pin List were incorrect, made corrections.
Rev 1.1.5 -- Corrected many errors and typos in body of the document.
Rev 1.2.0 -- Made final additional corrections to tables, figures, timing diagrams and body text descriptions
of operation. Removed preliminary designation.
Rev 1.2.1 -- Added registers (address 0x58, 0x59 and 0x4B).
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 represen-
tation 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 sys-
tem or to significantly affect its safety or effectiveness. Products are not authorized for use in such applica-
tions 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 Corpo-
ration is adequately protected under the circumstances.
Copyright 2003 EXAR Corporation
Datasheet October 2003.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
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