參數(shù)資料
型號: M28LV64-250XP6
廠商: 意法半導(dǎo)體
元件分類: DRAM
英文描述: 64K 8K x 8 LOW VOLTAGE PARALLEL EEPROM with SOFTWARE DATA PROTECTION
中文描述: 64K的8K的× 8低電壓并聯(lián)EEPROM,帶有軟件數(shù)據(jù)保護
文件頁數(shù): 6/18頁
文件大?。?/td> 127K
代理商: M28LV64-250XP6
AI01356B
WRITE AAh in
Address 1555h
WRITE 55h in
Address 0AAAh
WRITE A0h in
Address 1555h
SDP is set
WRITE AAh in
Address 1555h
WRITE 55h in
Address 0AAAh
WRITE A0h in
Address 1555h
Write
Page
(1 up to 64 bytes)
WRITE IN
MEMORY
WHEN SDP IS SET
SDP ENABLE ALGORITHM
Page
Write
Instruction
(Note 1)
Page
Write
Instruction
(Note 1)
WRITE
is enabled
Figure5. Software DataProtection Enable Algorithm and MemoryWrite
AI01357
WRITE AAh in
Address 1555h
WRITE 55h in
Address 0AAAh
WRITE 80h in
Address 1555h
Unprotected State
WRITE AAh in
Address 1555h
WRITE 55h in
Address 0AAAh
WRITE 20h in
Address 1555h
Page
Write
Instruction
Figure6. Software DataProtection Disable Algorithm
Note:
1. MSB Addressbits (A6 to A12) differ duringthese specific PageWrite operations.
6/18
M28LV64
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