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MX29F100TTA-90 Datasheet(PDF) 39 Page - Macronix International

Part No. MX29F100TTA-90
Description  1M-BIT [128Kx8/64Kx16] CMOS FLASH MEMORY
Download  47 Pages
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Maker  MCNIX [Macronix International]
Homepage  http://www.macronix.com
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MX29F100TTA-90 Datasheet(HTML) 39 Page - Macronix International

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39
P/N:PM0548
MX29F100T/B
REV. 1.2, NOV. 12, 2001
SECTOR PROTECTION ALGORITHM FOR SYSTEM WITHOUT 12V
START
Set Up Sector Addr
(A15,A14,A13,A12)
PLSCNT=1
Sector Protection
Complete
Data=01H?
Yes
.
Yes
OE=VIH,A9=VIH
CE=VIL,A6=VIL
Activate WE Pulse to start
Data don't care
Set CE=OE=VIL
A9=VIH
Read from Sector
Addr=SA, A1=1
Protect Another
Sector?
Write Reset Command
Device Failed
PLSCNT=32?
Yes
No
No
Increment PLSCNT
No
Write "unlock for sector protect/unprotect"
Command(Table1)
Toggle bit checking
DQ6 not Toggled
No
Yes


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