W25Q80BVDAIG Winbond Electronics, W25Q80BVDAIG Datasheet - Page 53
![SPI FLASH 8MBIT 8-DIP](/photos/7/23/72384/w25q80bvdaig_sml.jpg)
W25Q80BVDAIG
Manufacturer Part Number
W25Q80BVDAIG
Description
SPI FLASH 8MBIT 8-DIP
Manufacturer
Winbond Electronics
Datasheet
1.W25Q80BVSSIG.pdf
(75 pages)
Specifications of W25Q80BVDAIG
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
8M (1M x 8)
Speed
104MHz
Interface
SPI Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 53 of 75
- Download datasheet (2Mb)
9.2.34
The Read Unique ID Number instruction accesses a factory-set read-only 64-bit number that is unique to
each W25Q80BV device. The ID number can be used in conjunction with user software methods to help
prevent copying or cloning of a system. The Read Unique ID instruction is initiated by driving the /CS pin
low and shifting the instruction code “4Bh” followed by a four bytes of dummy clocks. After which, the 64-
bit ID is shifted out on the falling edge of CLK as shown in figure 32.
CLK
(IO
(IO
CLK
(IO
(IO
/CS
/CS
DO
DO
DI
DI
0
1
0
1
)
)
)
)
Read Unique ID Number (4Bh)
Mode 3
Mode 0
23
*
24
= MSB
25
0
26
Dummy Byte 3
1
27
Instruction (4Bh)
2
28
3
Figure 32. Read Unique ID Number Instruction Sequence
High Impedance
29
4
30
5
31
6
32
7
33
8
34
Dummy Byte 4
9
- 53 -
High Impedance
35
10
Dummy Byte 1
36
11
37
12
38
13
39
Publication Release Date: October 06, 2010
14
63
*
40
15
64-bit Unique Serial Number
62
41
16
61
42
17
18
Dummy Byte 2
19
W25Q80BV
2
20
1
21
0
22
Revision D
Mode 3
Mode 0
23
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