DiskOnChip 2000 DIP
From 16MByte to 1GByte
Data Sheet, March 2006
Highlights
DiskOnChip 2000 DIP is a member of
M-Systems’ family of DiskOnChip flash disk
products. It is available in densities of 16MByte
to 1GByte.
DiskOnChip 2000 DIP features:
Single-chip plug-n-play flash disk
Low power, single 3.3V or 5V power
supply
16MByte (MB) to 1GByte (GB) density
Simple, easy-to-integrate interface
8KB sized memory window
Boot OS capability
Proprietary TrueFFS
®
technology for full
hard-disk emulation, high data reliability
and maximum flash lifetime
Software tools for programming,
duplicating, testing, and debugging
Reliability
TrueFFS Software
On-the-fly Reed-Solomon Error Detection
Code/Error Correction Code (EDC/ECC)
Guaranteed data integrity, even after power
failure
Transparent bad-block management
Dynamic and static wear-leveling
Full hard-disk read/write emulation for
transparent file system management
Identical software for all DiskOnChip
capacities
Patented methods to extend flash lifetime,
including:
Dynamic virtual mapping
Dynamic and static wear-leveling
Support for all major OSs, including:
VxWorks, Windows CE/.NET, Linux,
Windows NT/XP, QNX and others.
Operates with TrueFFS Software
Development Kit (SDK) in OS-less
environment.
RoHS Support
RoHS version available (16MB-96MB)
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Data Sheet, Rev. 3.9
91-SR-002-42-8L
DiskOnChip 2000 DIP
Hardware Compatibility
32-pin DIP, JEDEC standard,
EEPROM-compatible pinout
Compatible with all major CPUs, including:
x86
StrongARM
XScale
Geode
®
SCxxxx
PowerPC™ MPC8xx
MediaGX
68K
MIPS
SuperH™ SH-x
8-bit, 16-bit and 32-bit bus architecture
support
Applications
Embedded systems
Internet access devices
Internet set-top boxes/ITV, Web browsers
WBT, thin clients, network computers
Routers, networking
Web phones, car PCs, DVD, HPC
Point of sale, industrial PCs
Telecom, medical
Densities
Low profile: 16, 32, 48, 64, 96, 128, 192, 256,
384MB
High profile: 576, 768, 1024MB
Commercial (0°C to 70°C) and extended
temperature range (-40°C to +85°C) for all
densities
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Data Sheet, Rev. 3.9
91-SR-002-42-8L
DiskOnChip 2000 DIP
T
ABLE OF
C
ONTENTS
1. Introduction ............................................................................................................................... 5
2. Product Overview ...................................................................................................................... 6
2.1
2.2
2.3
2.4
3.1
3.2
3.3
3.4
3.5
Product Description ............................................................................................................ 6
I/O Operation ...................................................................................................................... 7
Pin Diagram........................................................................................................................ 7
Signal Descriptions............................................................................................................. 8
Overview............................................................................................................................. 9
System Interface................................................................................................................. 9
Boot Block ........................................................................................................................ 10
Error Detection Code/Error Correction Code (EDC/ECC) ................................................ 10
Flash Control .................................................................................................................... 10
3. Theory of Operation .................................................................................................................. 9
4. Operating Modes ..................................................................................................................... 11
5. TrueFFS Technology............................................................................................................... 12
5.1
General Description.......................................................................................................... 12
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
Built-In Operating System Support..................................................................................... 13
TrueFFS Software Development Kit (SDK)........................................................................ 13
File Management................................................................................................................ 13
Bad-Block Management ..................................................................................................... 13
Wear-Leveling .................................................................................................................... 13
Error Detection/Correction.................................................................................................. 14
Special Features through I/O Control (IOCTL) Mechanism ............................................... 15
Compatibility ....................................................................................................................... 15
5.2
Power Failure Management ............................................................................................. 14
5.2.1
5.2.2
5.2.3
5.3
6.1
6.2
7.1
7.2
7.3
7.4
8KB Memory Window ....................................................................................................... 16
Introduction....................................................................................................................... 17
Boot Procedure in PC-Compatible Platforms ................................................................... 17
Design Environment ......................................................................................................... 19
System Interface............................................................................................................... 19
Connecting Signals........................................................................................................... 20
Platform-Specific Issues ................................................................................................... 20
7.4.1
Wait State ........................................................................................................................... 20
6. Booting from DiskOnChip 2000 ............................................................................................. 17
7. Design Considerations ........................................................................................................... 19
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Data Sheet, Rev. 3.9
91-SR-002-42-8L
DiskOnChip 2000 DIP
7.4.2
7.4.3
Big and Little Endian Systems............................................................................................ 20
Working with 8/16/32-Bit Systems...................................................................................... 21
8. Product Specifications ........................................................................................................... 22
8.1
Environmental Specifications ........................................................................................... 22
8.1.1
8.1.2
8.1.3
8.1.4
Temperature Ranges ......................................................................................................... 22
DiskOnChip Assembly........................................................................................................ 22
Humidity.............................................................................................................................. 22
Shock and Vibration ........................................................................................................... 22
Absolute Maximum Ratings................................................................................................ 22
Capacitance........................................................................................................................ 23
DC Electrical Characteristics over Operating Range ......................................................... 23
AC Operating Conditions.................................................................................................... 24
Read Cycle Timing ............................................................................................................. 25
Write Cycle Timing ............................................................................................................. 26
8.2
Electrical Specifications.................................................................................................... 22
8.2.1
8.2.2
8.2.3
8.2.4
8.3
Timing Specifications........................................................................................................ 25
8.3.1
8.3.2
8.4
Mechanical Dimensions.................................................................................................... 27
9. Ordering Information............................................................................................................... 28
How to Contact Us ........................................................................................................................ 29
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Data Sheet, Rev. 3.9
91-SR-002-42-8L
DiskOnChip 2000 DIP
1.
I
NTRODUCTION
Overview of data sheet contents
Product overview, including brief product description, a pin diagram and signal
descriptions
Theory of operation for the major building blocks
Modes of operation
Description of TrueFFS technology
Using DiskOnChip 2000 DIP as a boot device
Design considerations for implementing popular applications and for maximizing
built-in flexibility features
Environmental, mechanical, electrical and production specifications
This data sheet includes the following sections:
Section 1:
Section 2:
Section 3:
Section 4:
Section 5:
Section 6:
Section 7:
Section 8:
To contact SanDisk’s worldwide offices for general information and technical support, please see
the listing on the back page, or visit SanDisk’s website (www.SanDisk.com).
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Data Sheet, Rev. 3.9
91-SR-002-42-8L