n25q256 Numonyx, n25q256 Datasheet - Page 26

• 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

Operating features
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Figure 10. 4-Byte Address on Four Wires, Extended SPI
The following figure shows a Dual SPI Read instruction.
Figure 11. 4-Byte Address on Two Wires, Dual SPI, Example
The following figure shows a Quad SPI Read instruction.
DQ0
DQ1
S#
DQ0
DQ1
DQ2
DQ3
C
S#
C
0
Instruction
0
1
1
2
2
3
Instruction
4th Byte Address
30 28 26 24 22 20
31 29 27 25
3
4
5
4
6
5
7
6
23 21
8
7
24-Bit Address
4th Byte
Address
9
28 24
29 25
30 26
31 27
8
9
18 19
2
3
21 17 13 9
22 18 14 10 6
23 19 15 11 7
20 16 12 8
Micron Technology, Inc., reserves the right to change products or specifications without notice.
10 11 12
0
1
24-Bit Address
D
13 14
5
4
15 16 1
2
1
3
0
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N25Q256 - 3 V