User Manual

Introduction to the TriFlash with SD Interface
TriFlash with SD Interface Product Manual (Preliminary), Rev. 1.2 © 2002/2003 SANDISK CORPORATION
1-7
Figure 1-2. Memory Array Partitioning
Table 1-3. Memory Array Structures Summary
1
Part Number Block Size
(Byte)
Protected Area
Size (Blocks)
2
User Area
(Blocks)
SDBT2FCH-1024 512 -- 250, 880
SDBT2FCH-512 512 -- 125,440
SDBT2FAH-256 512 -- 62,720
SDAT2FAH-128 512 -- 31,360
1
All measurements are in units per card.
2
The part of the TriFlash with separate DOS partitioning that includes sectors and blocks. The card write protection mechanism
does not affect this area.
TriFlash
WP Group 1
WP Group 0
Block
n
Sector 1
Block
2
Block
1
Block
0
Sector 2
Sector 3
Sector n
WP Group n
Protected Area (Copyright protection)
Block
n
Sector 1
Block
2
Block
1
Block
0
Sector n