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參數(shù)資料
| 型號： | M28C256-25WBS6T |
| 廠商： | 意法半導體 |
| 元件分類： | EEPROM |
| 英文描述： | 256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| 中文描述： | 256千位（的32KB × 8）與軟件數(shù)據保護并行的EEPROM |
| 文件頁數(shù)： | 6/21頁 |
| 文件大小： | 132K |
| 代理商： | M28C256-25WBS6T |
AI01698B
WRITE AAh in
Address 5555h
WRITE 55h in
Address 2AAAh
WRITE A0h in
Address 5555h
SDP is set
WRITE AAh in
Address 5555h
WRITE 55h in
Address 2AAAh
WRITE A0h in
Address 5555h
WRITE Data
to
be Written in
any Address
SDP ENABLE ALGORITHM
Page
Write
Instruction
Page
Write
Instruction
WRITE
is enabled
SDP
Set
SDP
not Set
Write
in Memory
Write
Data
+
SDP Set
after tWC
Figure 5. SoftwareData Protection Enable Algorithmand Memory Write
AI01699B
WRITE AAh in
Address 5555h
WRITE 55h in
Address 2AAAh
WRITE 80h in
Address 5555h
Unprotected
State
after
tWC (Write Cycle time)
WRITE AAh in
Address 5555h
WRITE 55h in
Address 2AAAh
WRITE 20h in
Address 5555h
Page
Write
Instruction
Figure 6. SoftwareData Protection Disable Algorithm
6/21
M28256
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M28C256-25WKA1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| M28C256-25WKA6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| M28C256-25WMS1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| M28C256-25WMS6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
| M28C256-25WNS1T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit (32Kb x8) Parallel EEPROM with Software Data Protection |
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