XRT7250 datasheet(463/463 Pages) EXAR

463 / 463 page

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XRT7250

DS3/E3 FRAMER IC

REV. 1.1.1

444

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.

Datasheet March 2001

Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.

REVISION HISTORY

Rev. P1.0.3 to P1.0.5 Added sections with descriptions of E3 and DS3 operation. Corrected spelling errors

Rev. P1.0.5 to P1.0.6 Minor grammar edits, changed E3 to DS3/E3 in section 1and section 3. Page 45

section 3 changed reference to registers; 0x40 to 0x50, 0x41 to 0x51 and 0x56 to 0x6C. Page 65, RXDS3

Configuration Register table changed bits 0, 1, 2 to R/W.

Rev. P1.0.6 to P1.0.7 Minor corrections, changed some electrical specs.

Rev 1.1.0 removed preliminary designation from data sheet.

Rev. 1.1.1 modified block diagram on page 1.

XRT7250 Datasheet(PDF) 463 Page - Exar Corporation