n25q256 Numonyx, n25q256 Datasheet - Page 54

• Manufacturer Part Number: n25q256
• Description: 256-mbit 3 V, Multiple I/o, 4-kbyte Subsector Erase, Xip Enabled, Serial Flash Memory With 108 Mhz Spi Bus Interface
• Manufacturer: Numonyx

Protection modes
Table 11.
54/186
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
TB bit (Upper = 0;
Lower = 1)
Protected area sizes, Upper (TB bit = 0)
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Status Register Content
BP3 Bit
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
BP2 Bit
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
BP1 Bit
Micron Technology, Inc., reserves the right to change products or specifications without notice.
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
BP0 Bit
None
Upper 512th
Upper 256th
Upper 128th
Upper 64th
Upper 32nd
Upper 16th
Upper eighth
Upper quarter
Upper half
All sectors
All sectors
All sectors
All sectors
All sectors
All sectors
None
Lower 512th
Lower 256th
Lower 128th
Lower 64th
Lower 32nd
Lower 16th
Lower eighth
Lower quarter
Lower half
All sectors
All sectors
All sectors
All sectors
All sectors
All sectors
Protected Area
©2010 Micron Technology, Inc. All rights reserved.
Memory Content
Sectors 128 to 511
All sectors
Sectors 0 to 511
Sectors 0 to 510
Sectors 0 to 508
Sectors 0 to 504
Sectors 0 to 496
Sectors 0 to 480
Sectors 0 to 448
Sectors 0 to 384
Sectors 0 to 256
None
None
None
None
None
None
All sectors
Sectors 1 to 511
Sectors 2 to 511
Sectors 4 to 511
Sectors 8 to 511
Sectors 16 to 511
Sectors 32 to 511
Sectors 64 to 511
Sectors 256 to 511
None
None
None
None
None
None
Unprotected Area
N25Q256 - 3 V