Preface – Avago Technologies LSI53C140 User Manual
Page 3
LSI53C140 Ultra2 SCSI Bus Expander
iii
Ver. 2.1
Copyright © 1998–2001 by LSI Logic Corporation. All rights reserved.
Preface
This manual provides a description and electrical characteristics of the
LSI53C140 Ultra2 SCSI Bus Expander chip that supports all
combinations of Single-Ended, Low Voltage Differential, and High
Voltage Differential SCSI bus conversions.
Audience
This document assumes that you have some familiarity with
microprocessors and related support devices. The people who benefit
from this book are:
•
Engineers and managers who are evaluating the processor for
possible use in a system
•
Engineers who are designing the processor into a system
Organization
This document has the following chapters and appendixes:
•
Chapter 1, Using the LSI53C140
, contains general information
about the LSI53C140.
•
Chapter 2, Functional Descriptions
, describes the main functional
areas of the chip in more detail, including the interfaces to the SCSI
bus and external memory.
•
Chapter 3, LSI53C140 Specifications
, contains the pin diagram,
BGA diagram, signal descriptions, electrical characteristics, AC
timing diagrams, and mechanical drawing of the LSI53C140.
•
, contain wiring diagrams that show
typical LSI53C140 usage. It also contains an LSI53C140 Differential
Mode wiring diagram.