參數(shù)資料
型號： 25AA256-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
文件大小： 367K
代理商： 25AA256-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
相關(guān)PDF資料
PDF描述
25AA256-IST 256K SPI Bus Serial EEPROM
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25AA256T-EMFG 256K SPI Bus Serial EEPROM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
25AA256-ISNG 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM
25AA256IST 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM
25AA256-IST 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM
25AA256-ISTG 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:256K SPI Bus Serial EEPROM
25AA256T-E/MF 制造商:Microchip Technology Inc 功能描述:256K, 32K X 8 , 1.8V SER EE EXT - Tape and Reel 制造商:Microchip Technology Inc 功能描述:IC EEPROM 256KBIT 10MHZ 8DFN 制造商:Microchip Technology Inc 功能描述:256k, 32K X 8 , 1.8V SER EE EXT, 8 DFN-S 6x5x0.9mm T/R
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