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參數(shù)資料
| 型號： | 24C040-ST |
| 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)： | 2/12頁 |
| 文件大?。?/td> | 240K |
| 代理商： | 24C040-ST |
25AA040/25LC040/25C040
DS21204A-page 10
Preliminary
1997 Microchip Technology Inc.
3.7
Data Protection
The following protection has been implemented to pre-
vent inadvertent writes to the array:
The write enable latch is reset on power-up.
A write enable instruction must be issued to set
the write enable latch.
After a byte write, page write, or status register
write, the write enable latch is reset.
CS must be set high after the proper number of
clock cycles to start an internal write cycle.
Access to the array during an internal write cycle
is ignored and programming is continued.
The write enable latch is reset when the WP pin is
low.
3.8
Power On State
The 25xx040 powers on in the following state:
The device is in low power standby mode (CS= 1).
The write enable latch is reset.
SO is in high impedance state.
A low level on CS is required to enter active state.
.
TABLE 3-3:
WRITE PROTECT FUNCTIONALITY MATRIX
WP
WEL
Protected Blocks
Unprotected Blocks
Status Register
Low
X
Protected
High
0
Protected
High
1
Protected
Writable
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 24C04A | 4K 5.0V I 2 C ⑩ Serial EEPROM |
| 24C04A-EP | 1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C04A-ESL | 1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C04A-ESM | 1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C04A-ESN | 1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24C04-10SI2.7 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| 24C0410TQ2.7 | 制造商: 功能描述: 制造商:undefined 功能描述: |
| 24C04A | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:1K/2K/4K 5.0V I 2 C O Serial EEPROMs |
| 24C04A/J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |
| 24C04A-/P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM |
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