XRT73L00A Datasheet, PDF (53/53 Pages) Exar Corporation – E3/DS3/STS-1 LINE INTERFACE UNIT

XRT73L00A
REVISION HISTORY
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E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 2.0.1
REV #
1.3.0
2.0.0
2.0.1
DATE
CHANGES MADE
September
2001
Redesigned 73L00 with improved performance and added timing recovery circuit.
Added typical E3 Jitter tolerance @800kHz. Receiver Sensitivity (cable length)
increased. Part Number changed to XRT73L00A, ordering information changed to
XRT73L00AIV.
February 2002 Added connection points to various drawings.
August 2002
Changed sentence, ”It is important to assert the CS pin (e.g., toggle it “Low") at least
5ns (from 50ns), prior to the very first rising edge of the clock signal.”, on page 47.
Changed values of t₂₁ and t₂₈ in electrical tables on page 19, from 50 to 5ns.
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 2001 EXAR Corporation
Datasheet August 2002.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.
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