n25q256 Numonyx, n25q256 Datasheet - Page 90

• 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

Instructions
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Byte
0
Byte
1
Byte
Figure 41. How to permanently lock the OTP bytes
2
64 data bytes
Bit 1 to bit 7 are not programmable
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X
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©2010 Micron Technology, Inc. All rights reserved.
bit 0
OTP control byte
When bit 0 = 0
the 64 OTP bytes
become read only
Byte
63
ai13587
Byte
64
N25Q256 - 3 V