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This document contains proprietary information of LSI Logic Corporation. The
information contained herein is not to be used by or disclosed to third parties
without the express written permission of an officer of LSI Logic Corporation.
LSI Logic products are not intended for use in life-support appliances, devices,
or systems. Use of any LSI Logic product in such applications without written
consent of the appropriate LSI Logic officer is prohibited.
Document DB14-000082-01, Third Edition (November 2000)
This document describes the LSI Logic LSI53C141 SCSI Bus Expander and will
remain the official reference source for all revisions/releases of this product until
rescinded by an update.
To receive product literature, visit us at http://www.lsilogic.com.
LSI Logic Corporation reserves the right to make changes to any products herein
at any time without notice. LSI Logic does not assume any responsibility or
liability arising out of the application or use of any product described herein,
except as expressly agreed to in writing by LSI Logic; nor does the purchase or
use of a product from LSI Logic convey a license under any patent rights,
copyrights, trademark rights, or any other of the intellectual property rights of
LSI Logic or third parties.
Copyright 19982000 by LSI Logic Corporation. All rights reserved.
TRADEMARK ACKNOWLEDGMENT
The LSI Logic logo, LVD Link, and TolerANT are registered trademarks or
trademarks of LSI Logic Corporation. All other brand and product names may be
trademarks of their respective companies.
Preface
iii
Preface
This book is the primary reference and technical manual for the
LSI53C141 SCSI Bus Expander chip which supports single-ended to
single-ended SCSI bus expansion (Repeater) or single-ended to low
voltage differential SCSI bus conversion (Converter). It contains a
functional description for the LSI53C141 and includes complete physical
and electrical specifications.
Audience
This document was prepared for logic designers and applications
engineers.
This document assumes that you have some familiarity with current and
proposed SCSI standards. For background information please contact:
ANSI
11 West 42nd Street
New York, NY 10036
(212) 642-4900
Ask for document number X3.131-1994 (SCSI-2) or X3.253-1995 (SPI)
Global Engineering Documents
15 Inverness Way East
Englewood, CO 80112
(800) 854-7179 or (303) 397-7956 (outside U.S.) FAX (303) 397-2740
Ask for document number X3.131-1994 (SCSI-2) or X3.253
(SCSI-3
Parallel Interface)
iv
Preface
ENDL Publications
14426 Black Walnut Court
Saratoga, CA 95070
(408) 867-6642
Document names:
SCSI Bench Reference, SCSI Encyclopedia or SCSI
Tutor
Prentice Hall
113 Sylvan Avenue
Englewood Cliffs, NJ 07632
(800) 947-7700
Ask for document number ISBN 0-13-796855-8,
SCSI: Understanding
the Small Computer System Interface
LSI Logic World Wide Web Home Page
www.lsilogic.com
Organization
This document has the following chapters and appendix:
Chapter 1, Introduction
, includes a general description of the
LSI53C141, its benefits and features.
Chapter 2, Functional Description
, describes the LSI53C141
functions.
Chapter 3, Signal Descriptions
, describes the signals of the
LSI53C141.
Chapter 4, Specifications
, includes the electrical requirements for
DC characteristics, TolerANT Technology Electrical Characteristics,
and the AC timing characteristics. Also contains the outline drawing
of the 128-pin PQFP package.
Appendix A, Glossary of Terms and Abbreviations
, provides
definitions of various terminology that is referenced throughout this
user's guide.
Preface
v
Conventions Used in This Manual
The first time a word or phrase is defined in this manual, it is
italicized.
The word
assert means to drive a signal true or active. The word
deassert means to drive a signal false or inactive.
Hexadecimal numbers are indicated by the prefix "0x"--for example,
0x32CF. Binary numbers are indicated by the prefix "0b"--for example,
0b0011.0010.1100.1111.
The following is a list of notational conventions used throughout
this manual:
Notation
Example
Meaning and Use
courier typeface
.nwk
file
Names of commands, files, signals, symbols, pins, parts,
directories, modules, and macrocells are shown in
courier typeface.
bold typeface
fd1sp
In a command line, keywords are shown in bold, nonitalic
typeface. Enter them exactly as shown.
italics
module
In command lines and names italics indicate user
variables. Italicized text must be replaced with
appropriate user-specified items. Enter items of the type
called for, using lower case.
italic underscore
full_pathname
When an underscore appears in an italicized string, enter
a user-supplied item of the type called for with no
spaces.
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