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參數(shù)資料
| 型號(hào)： | 24LC040-EP |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 4K SPI ⑩ Bus Serial EEPROM |
| 中文描述： | ⑩4K的的SPI總線串行EEPROM |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 240K |
| 代理商： | 24LC040-EP |
25AA040/25LC040/25C040
DS21204A-page 8
Preliminary
1997 Microchip Technology Inc.
3.4
Write Enable (WREN) and Write
Disable (WRDI)
The 25xx040 contains a write enable latch. See
Table 3-3 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
WP line is low
FIGURE 3-4:
WRITE ENABLE SEQUENCE
FIGURE 3-5:
WRITE DISABLE SEQUENCE
SCK
0
2
3
4
5
6
7
1
SI
high impedance
SO
CS
0
1
0
0
0
0
0
1
SCK
0
2
3
4
5
6
7
1
SI
high impedance
SO
CS
0
1
0
0
0
0
0
1
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| 24LC080-IP | 8K/16K 2.5V SPI O Bus Serial EEPROM |
| 24LC080-ISN | 8K/16K 2.5V SPI O Bus Serial EEPROM |
| 24LC080-P | 8K/16K 2.5V SPI O Bus Serial EEPROM |
| 24LC080-SN | 8K/16K 2.5V SPI O Bus Serial EEPROM |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24LC040-ESN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4K SPI ⑩ Bus Serial EEPROM |
| 24LC040-EST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4K SPI ⑩ Bus Serial EEPROM |
| 24LC040-IP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4K SPI ⑩ Bus Serial EEPROM |
| 24LC040-ISN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4K SPI ⑩ Bus Serial EEPROM |
| 24LC040-IST | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4K SPI ⑩ Bus Serial EEPROM |
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