SanDisk CompactFlash Memory Card
OEM Product Manual
Version 12.0
Document No. 20-10-00038
02/2007
SanDisk Corporation
Corporate Headquarters
601 McCarthy Boulevard
Milpitas, CA 95035
(408) 801-1000 Phone
(408) 801-8657 Fax
www.sandisk.com
SanDisk CompactFlash Card OEM Product Manual
SanDisk® Corporation general policy does not recommend the use of its products in life support applications where in a failure
or malfunction of the product may directly threaten life or injury. Per SanDisk Terms and Conditions of Sale, the user of SanDisk
products in life support applications assumes all risk of such use and indemnifies SanDisk against all damages. Security
safeguards, by their nature, are capable of circumvention. SanDisk cannot, and does not, guarantee that data will not be
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This document is for information use only and is subject to change without prior notice. SanDisk Corporation assumes no
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SanDisk and the SanDisk logo are trademarks of SanDisk Corporation, registered in the United States and other countries.
CompactFlash is a U.S. registered trademark of SanDisk Corporation.
Product names mentioned herein are for identification purposes only and may be trademarks and/or registered trademarks of
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© 2007 SanDisk Corporation. All rights reserved.
SanDisk products are covered or licensed under one or more of the following U.S. Patent Nos. 5,070,032; 5,095,344; 5,168,465;
5,172,338; 5,198,380; 5,200,959; 5,268,318; 5,268,870; 5,272,669; 5,418,752; 5,602,987. Other U.S. and foreign patents
awarded and pending.
Document 20-10-00038 Rev. 12.0
Revision History
Date
February 2007
Revision
12.0
Description
Merged CFlash 11.2 manual with CF ExtremeIII
v1.2 to create v12.0; updated to comply with CFA
Spec v4.0.
© 2007 SanDisk Corporation
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© 2007 SanDisk Corporation
Table of Contents
CHAPTER 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
CompactFlash Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
PCMCIA Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
CHAPTER 2
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
System Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . 2-1
System Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
System Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
System Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
CHAPTER 3
Interface Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Physical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Electrical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Electrical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Card Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
I/O Transfer Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
True IDE Mode I/O Transfer Function . . . . . . . . . . . . . . . . . . . . . . . 3-26
CHAPTER 4
ATA Register Set and Protocol . . . . . . . . . . . . . . . . . . . . . . . . 4-1
I/O Primary and Secondary Address Configurations . . . . . . . . . . . . 4-1
Contiguous I/O Mapped Addressing . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
© 2007 SanDisk Corporation
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