Samsung FLEX-MUXONENAND KFKAGH6Q4M Specifications page 30

Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)
Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)
Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)
2.7.2 Internal Memory Spare Area Assignment
The figure below shows the assignment of the spare area in the Internal Memory NAND Array.
Main Main Main
area area area
256W 256W 256W
Note1 Note1 Note2 Note2 Note2 Note2 Note3 Note3 Note3 Note3 Note3 Note3
LSB MSB
LSB MSB
1 W
st
Spare Area Assignment in the Internal Memory NAND Array Information
Word Byte
LSB
1
MSB
LSB
2
MSB
LSB
3
MSB
LSB
4
MSB
LSB
5
MSB
LSB
6
MSB
LSB
7
MSB
LSB
8
MSB
Main Main Main Main
area area area area
256W 256W 256W 256W
LSB MSB LSB MSB LSB
2 W 3 W
nd rd
Note
1
2
3
Main
Spare Spare Spare
area
area area area
256W
8W 8W 8W
MSB LSB MSB LSB
4 W 5 W 6
th th th
Description
Invalid Block information in 1st and 2nd page of an invalid block
Managed by internal ECC logic for Logical Sector Number area
4bit ECC parity values
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FLASH MEMORY
Spare Spare Spare Spare Spare
area area area area area
8W 8W 8W 8W 8W
Note3 Note3 Note3 Note3
MSB LSB MSB LSB MSB
W 7 W 8 W
th th