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參數(shù)資料
| 型號： | W25Q128BVEIP |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 128M X 1 SPI BUS SERIAL EEPROM, PDSO8 |
| 封裝： | 8 X 6 MM, GREEN, WSON-8 |
| 文件頁數(shù)： | 22/74頁 |
| 文件大?。?/td> | 855K |
| 代理商： | W25Q128BVEIP |
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W25Q128BV
Publication Release Date: April 01, 2011
- 29 -
Revision E
7.2.13 Fast Read Quad Output (6Bh)
The Fast Read Quad Output (6Bh) instruction is similar to the Fast Read Dual Output (3Bh) instruction
except that data is output on four pins, IO0, IO1, IO2, and IO3. A Quad enable of Status Register-2 must be
executed before the device will accept the Fast Read Quad Output Instruction (Status Register bit QE
must equal 1). The Fast Read Quad Output Instruction allows data to be transferred from the
W25Q128BV at four times the rate of standard SPI devices.
The Fast Read Quad Output instruction 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 12. The dummy clocks allow the device's internal circuits additional time for setting up
the initial address. The input data during the dummy clocks is “don’t care”. However, the IO pins should be
high-impedance prior to the falling edge of the first data out clock.
/CS
CLK
Mode 0
Mode 3
0
1
2
3
4
5
6
7
Instruction (6Bh)
High Impedance
8
9
10
28
29
30
32
33
34
35
36
37
38
39
4
0
24-Bit Address
23
22
21
3
2
1
0
*
31
/CS
CLK
Dummy Clocks
0
40
41
42
43
44
45
46
47
5
1
High Impedance
4
5
High Impedance
6
2
7
3
High Impedance
4
0
5
1
6
2
7
3
4
0
5
1
6
2
7
3
4
0
5
Byte 1
6
7
1
6
2
7
3
Byte 2
Byte 3
Byte 4
IO
0 switches from
Input to Output
IO
0
IO
1
IO
2
IO
3
IO
0
IO
1
IO
2
IO
3
= MSB
*
Figure 12. Fast Read Quad Output Instruction Sequence Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W25Q128BVFIP | 128M X 1 SPI BUS SERIAL EEPROM, PDSO16 |
| W25Q16CLSFIP | 16M X 1 SPI BUS SERIAL EEPROM, PDSO16 |
| W25Q16CLDAIG | 16M X 1 SPI BUS SERIAL EEPROM, PDIP8 |
| W25Q16CLZPIP | 16M X 1 SPI BUS SERIAL EEPROM, PDSO8 |
| W25Q16CLSFIG | 16M X 1 SPI BUS SERIAL EEPROM, PDSO16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W25Q128BVFIG | 制造商:Winbond Electronics Corp 功能描述:Flash Serial-SPI 3.3V 128Mbit 16M x 8bit 8.5ns 16-Pin SOIC 制造商:Winbond Electronics Corp 功能描述:128MB SPI FLASH |
| W25Q128BVFIP | 制造商:WINBOND 制造商全稱:Winbond 功能描述:3V 128M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI |
| W25Q128FV | 制造商:WINBOND 制造商全稱:Winbond 功能描述:SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI |
| W25Q128FVAIG | 制造商:WINBOND 制造商全稱:Winbond 功能描述:3V 128M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI |
| W25Q128FVAIP | 制造商:WINBOND 制造商全稱:Winbond 功能描述:3V 128M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI |
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