N25Q128A11BF840F Numonyx - A DIVISION OF MICRON SEMICONDUCTOR PRODUCTS, INC., N25Q128A11BF840F Datasheet - Page 138

• Manufacturer Part Number: N25Q128A11BF840F
• Description: IC SRL FLASH 128MB NMX 8-VDFPN
• Manufacturer: Numonyx - A DIVISION OF MICRON SEMICONDUCTOR PRODUCTS, INC.
• Series: Forté™r

Specifications of N25Q128A11BF840F

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 128M (16M x 8)
• Speed: 108MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.7 V ~ 2 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-VDFPN
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: N25Q128A11BF840F

9.3.4
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DQ0
DQ3
DQ1
DQ2
C
S
Figure 76. Read OTP instruction and data-out sequence QIO-SPI
Write Enable (WREN)
The Write Enable (WREN) instruction sets the Write Enable Latch (WEL) bit. Apart form the
parallelizing of the instruction code on the four pins DQ0, DQ1, DQ2 and DQ3, the
instruction functionality is exactly the same as the Write Enable instruction of the Extended
SPI protocol, please refer to
Figure 77. Write Enable instruction sequence QIO-SPI
Instruction
0
1
5
4
6
7
2
DQ0
DQ3
DQ1
DQ2
S
C
1
0
2
3
3
5
4
6
7
4
Section 9.1.9: Write Enable (WREN)
1
0
2
3
5
5
4
6
7
6
Instruction
1
0
2
3
7
0
Quad_Write_Enable
8
1
9 10
Dummy (ex.: 10)
15 16 17 18
5
4
6
7
out 1
Data
1
19
0
3
2
20
4
5
7
for further details.
out n
6
Data
1
21
0
3
2
Quad_Read_OTP
22
4
5
7
6
23
0
1
3
2