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MX29F400BTA-12 查看數據表(PDF) - Macronix International

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MX29F400BTA-12 4M-BIT [512Kx8/256Kx16] CMOS FLASH MEMORY MCNIX
Macronix International MCNIX
MX29F400BTA-12 Datasheet PDF : 44 Pages
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MX29F400T/B
SECTOR PROTECTION ALGORITHM FOR SYSTEM WITHOUT 12V
Increment PLSCNT
No
PLSCNT=32?
Yes
Device Failed
START
PLSCNT=1
Write "unlock for sector protect/unprotect"
Command(Table1)
Set Up Sector Addr
(A17,A16,A15,A14,A13,A12)
OE=VIH,A9=VIH
CE=VIL,A6=VIL
Activate WE Pulse to start
Data don't care
Toggle bit checking
No
Q6 not Toggled
Yes
Set CE=OE=VIL
A9=VIH
Read from Sector
Addr=SA, A1=1
No
Data=01H?
Yes
Protect Another
Yes
Sector?
No
Write Reset Command
Sector Protection
Complete
P/N:PM0439
REV. 1.6, NOV. 12, 2001
36
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