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參數(shù)資料
| 型號： | SLX24C04P |
| 廠商： | SIEMENS AG |
| 英文描述： | 4 Kbit 512 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus, Page Protection Mode |
| 中文描述： | 4千位512 × 8位串行CMOS EEPROM的，I2C同步2線巴士，頁面保護(hù)模式 |
| 文件頁數(shù)： | 18/27頁 |
| 文件大小： | 358K |
| 代理商： | SLX24C04P |
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SLx 24C04/P
Semiconductor Group
18
1998-07-27
7
Each page (16 bytes) in the Data Memory can be protected against unintended data
changes by an associated protection bit. The protection bit memory consists of an
additional EEPROM of 32 bits (
figure 14
).
Data in the Data Memory can be modified only if the assigned protection bit is erased
(logical state “1”). After writing the data bytes to a page, the protection is achieved by
writing the associated protection bit (logical state “0”). Further changes in the data in a
protected page is possible only after erasing the protection bit.
Page Protection Mode
TM
Figure 14
Data Page and Assigned Protection Memory
A special procedure to write or erase a protection bit guarantees proper activation or
deactivation respectively of page protection. For protection bit write or erase, all 16 data
bytes of the respective page have to be entered for a second time. The data then are
compared internally with the data to be protected, and in case of identity the protection
bit is written or erased respectively.
1
0
2
3
.
.
.
0
1
2
3
n
Page 0
Page 1
Page 2
Page 3
Page n
Byte
Bit
Data Memory Area
P
IED02272
15
. . .
.
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| SLX24C0816P | 8/16 Kbit 1024/2048 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus, Page Protection Mode |
| SLX24C164P | 16 Kbit 2048 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus, Page Protection Mode |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SLX24C0816 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8/16 Kbit 1024/2048 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus |
| SLX24C0816P | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8/16 Kbit 1024/2048 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus, Page Protection Mode |
| SLX24C164 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16 Kbit 2048 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus |
| SLX24C164P | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16 Kbit 2048 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus, Page Protection Mode |
| SLX24C32 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:32 Kbit 4096 x 8 bit Serial CMOS EEPROMs, I2C Synchronous 2-Wire Bus |
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