参数资料
型号: W25Q64DWZPIP
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 32 SPI BUS SERIAL EEPROM, 7.5 ns, PDSO8
封装: 6 X 5 MM, GREEN, WSON-8
文件页数: 21/82页
文件大小: 914K
代理商: W25Q64DWZPIP
W25Q64DW
- 28 -
10.2.12 Fast Read (0Bh)
The Fast Read instruction is similar to the Read Data instruction except that it can operate at the highest
possible frequency of FR (see AC Electrical Characteristics). This is accomplished by adding eight
“dummy” clocks after the 24-bit address as shown in figure 11. The dummy clocks allow the devices
internal circuits additional time for setting up the initial address. During the dummy clocks the data value
on the DO pin is a “don’t care”.
/CS
CLK
DI
(IO
0)
DO
(IO
1)
Mode 0
Mode 3
0
1
2
3
4
5
6
7
Instruction (0Bh)
High Impedance
8
9
10
28
29
30
31
24-Bit Address
23
22
21
3
2
1
0
Data Out 1
*
/CS
CLK
DI
(IO
0)
DO
(IO
1)
32
33
34
35
36
37
38
39
Dummy Clocks
High Impedance
40
41
42
44
45
46
47
48
49
50
51
52
53
54
55
7
6
5
4
3
2
1
0
7
Data Out 2
*
7
6
5
4
3
2
1
0
*
43
31
0
= MSB
*
Figure 11a. Fast Read Instruction (SPI Mode)
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