參數(shù)資料
型號(hào): 25AA256T-EPG
廠商: Microchip Technology Inc.
元件分類(lèi): EEPROM
英文描述: 256K SPI Bus Serial EEPROM
中文描述: 256K SPI總線串行EEPROM
文件頁(yè)數(shù): 26/26頁(yè)
文件大小: 367K
代理商: 25AA256T-EPG
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
25AA256T-ESN 256K SPI Bus Serial EEPROM
25AA256T-EST DBL BNDPOST MTG BASE 10/PKG (BLACK) RoHS Compliant: Yes
25AA256T-IMF 256K SPI Bus Serial EEPROM
25AA256T-IP 256K SPI Bus Serial EEPROM
25AA256T-ISN 256K SPI Bus Serial EEPROM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
25AA256TESM 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:256K SPI Bus Serial EEPROM
25AA256TESN 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:256K SPI Bus Serial EEPROM
25AA256T-ESN 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:256K SPI Bus Serial EEPROM
25AA256T-ESNG 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:256K SPI Bus Serial EEPROM
25AA256TEST 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:256K SPI Bus Serial EEPROM