NAND Flash의 MLC(Multi-level Cell)과 SLC(Single-level Cell) 비교표
NAND Flash의 MLC(Multi-level Cell)과 SLC(Single-level Cell) 비교표
| SLC | MLC |
Features |
|
|
Bits per Cell | 1 | 2 or more |
Voltage | 3.3V or 1.8V | 3.3V |
Data bus width (bits) | x8 or x16 | x8 |
Architecture |
|
|
Planes | 1 or 2 | 2 |
Page size(bytes) | 2112 | 2112 - 4314 |
Pages per block | 64 | 128 |
Reliability |
|
|
ECC (per 512 bytes ) | 1-bit | 4-bit or more |
Erase/Program cycles | 100,000 | 10,000 |
Partial programming times | 4 | --- |
Performance |
|
|
Read | 25us | 50us |
Program | 200~300us | 600~900us |
Erase | 1.5~2ms | 3ms |