MX29LAA641D MCNIX [Macronix International], MX29LAA641D Datasheet - Page 48
MX29LAA641D
Manufacturer Part Number
MX29LAA641D
Description
64M-BIT [4M x 16/8M x 8] CMOS EQUAL SECTOR
Manufacturer
MCNIX [Macronix International]
Datasheet
1.MX29LAA641D.pdf
(63 pages)
- Current page: 48 of 63
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Figure 19. CHIP UNPROTECT FLOWCHART (A9, OE# Control)
P/N:PM1289
Sector Addr
Increment
* It is recommended before unprotect whole chip, all sectors should be protected in advance.
No
Set Up First Sector Addr
Read Data from Device
Write Reset Command
Remove Vhv from A9
Activate WE# Pulse
Set OE#=CEx=Vil
Protect All Sectors
Time Out 15ms
Set OE#=A9=Vhv
CEx=Vil, A6=1
A9=Vhv, A1=1
All sectors have
been verified?
PLSCNT=1
Chip Unprotect
Data=00H?
START
Complete
48
Yes
Yes
MX29LA641D H/L
No
PLSCNT=1000?
Device Failed
Increment
PLSCNT
Yes
No
REV. 1.1, JAN. 06, 2009
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