CompactFlash Memory Card Product Manual
SanDisk CompactFlash Memory Card Product Manual © 1998 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...................................................................................................11
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.........................................................................13
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..................................................................................................16
2.6 Capacity Specifications.................................................................................................19
3.0 Installation .............................................................................................20
3.1 Mounting........................................................................................................................20
4.0 CompactFlash Memory Card Interface Description...............................................21
4.1 Physical Description......................................................................................................21
4.1.1 Pin Assignments and Pin Type.............................................................................21
4.2 Electrical Description....................................................................................................21
4.3 Electrical Specification..................................................................................................28
4.3.1 Input Leakage Current........................................................................................28
4.3.2 Input Characteristics.........................................................................................28
4.3.3 Output Drive Type.............................................................................................29
4.3.4 Output Drive Characteristics.............................................................................29