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CompactFlash Memory Card Product Manual
SanDisk CompactFlash Memory Card Product Manual 1999 SANDISK CORPORATION
3
Table of Contents
1.0
Introduction to the CompactFlash Memory Card....................................................7
1.1
Scope............................................................................................................................... 8
1.2
Product Models................................................................................................................. 8
1.3
System Features...............................................................................................................8
1.4
PCMCIA Standard...........................................................................................................9
1.5
CompactFlash Specification ............................................................................................ 9
1.6
Related Documentation....................................................................................................9
1.7
CompactFlash Memory Cards Compared to the SanDisk FlashDisk Products.....................9
1.7.1
System Power Requirements................................................................................ 10
1.7.2
Card Information Structure (CIS)........................................................................ 10
1.7.3
Capacity Specifications ..................................................................................... 11
1.7.4
Voltage Sense Signal -VS1 ................................................................................. 11
1.7.5
True IDE Mode ................................................................................................... 12
1.7.6
Identify Drive Information................................................................................. 12
1.8
Functional Description ................................................................................................... 12
1.8.1
Flash Technology Independence.......................................................................... 12
1.8.2
Defect and Error Management............................................................................. 12
1.8.3
Endurance ......................................................................................................... 13
1.8.4
Wear Leveling................................................................................................... 13
1.8.5
Using the Erase Sector and Write without Erase Commands................................. 13
1.8.5.1
Interaction with Systems not Aware of the Erase Sector and
Write without Erase Commands .......................................................... 13
1.8.5.2
Limitations and Issues......................................................................... 14
1.8.6
Automatic Sleep Mode ....................................................................................... 14
1.8.7
Dynamic Adjustment of Performance versus Power Consumption ........................... 14
1.8.8
Power Supply Requirements................................................................................ 14
2.0
Product Specifications................................................................................ 15
2.1
System Environmental Specifications ............................................................................. 15
2.2
System Power Requirements............................................................................................ 15
2.3
System Performance ....................................................................................................... 16
2.4
System Reliability and Maintenance.............................................................................. 16
2.5
Physical Specifications.................................................................................................. 17
2.6
Capacity Specifications................................................................................................. 21
3.0
Installation ............................................................................................. 22
3.1
Mounting........................................................................................................................ 22
4.0
CompactFlash Memory Card Interface Description............................................... 23
4.1
Physical Description...................................................................................................... 23
4.1.1
Pin Assignments and Pin Type............................................................................. 23
4.2
Electrical Description .................................................................................................... 23
4.3
Electrical Specification.................................................................................................. 30
4.3.1
Input Leakage Current........................................................................................ 30
4.3.2
Input Characteristics ......................................................................................... 30
4.3.3
Output Drive Type............................................................................................. 31
4.3.4
Output Drive Characteristics ............................................................................. 31