NOR vs NAND
NOR-NAND comparison
PARAMETER |
NOR |
NAND |
Capacity | 16Mbits to 1Gb (Toshiba) | 512Mbits to 16Gb (Toshiba) |
XIP (execution in place / code execution) | Yes | No |
Performance Erase Write
Read | Very Slow Slow
Fast | Fast
Fast
slow |
Strengths | Addressable to every byte | More than 10% higher life expectancy |
Erase cycle range | 10,000 to 100,000 | 100,000 to1,000,000 |
Interface | SRAM-like, memory mapped | Accessed in bursts of 512 bytes; I/O mapped |
Access method | Random | Sequential |
Price | High | Very low |