參數(shù)資料
型號: M28C256-15BS6T
廠商: 意法半導(dǎo)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(jù)保護(hù)并行的EEPROM
文件頁數(shù): 6/21頁
文件大?。?/td> 132K
代理商: M28C256-15BS6T
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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