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參數(shù)資料
| 型號： | 25AA256T-ISN |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | EEPROM |
| 英文描述： | 256K SPI Bus Serial EEPROM |
| 中文描述： | 256K SPI總線串行EEPROM |
| 文件頁數(shù)： | 26/26頁 |
| 文件大?。?/td> | 367K |
| 代理商： | 25AA256T-ISN |
2003 Microchip Technology Inc.
Preliminary
DS21822C-page 9
25AA256/25LC256
2.4
Write Enable (WREN) and Write
Disable (WRDI)
The 25XX256 contains a write enable latch.
See
Table 2-4 for the Write-Protect Functionality Matrix.
This latch must be set before any write operation will be
completed internally. The WREN instruction will set the
latch, and the WRDI will reset the latch.
The following is a list of conditions under which the
write enable latch will be reset:
Power-up
WRDI instruction successfully executed
WRSR instruction successfully executed
WRITE instruction successfully executed
FIGURE 2-4:
WRITE ENABLE SEQUENCE (WREN)
FIGURE 2-5:
WRITE DISABLE SEQUENCE (WRDI)
SCK
0
2
34
56
7
1
SI
high-impedance
SO
CS
01
00
0
1
SCK
0
2345
67
1
SI
high-impedance
SO
CS
01
00
0
10
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 25AA256T-ISNG | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256TIST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256T-IST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256T-ISTG | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
| 25AA256XEMF | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM |
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