MX29LAA641D MCNIX [Macronix International], MX29LAA641D Datasheet - Page 46

• Manufacturer Part Number: MX29LAA641D
• Description: 64M-BIT [4M x 16/8M x 8] CMOS EQUAL SECTOR
• Manufacturer: MCNIX [Macronix International]

Figure 17. SECTOR PROTECTION ALGORITHM (A9, OE# Control)
P/N:PM1289
PLSCNT=32?
Device Failed
No
Yes
No
OE#=Vhv, A9=Vhv, CEx=Vil
Set WE#=Vih, CEx=OE#=Vil
Write Reset Command
Remove Vhv from A9
A9 should remain Vhv
Set Up Sector Addr
Activate WE# Pulse
Read from Sector
Time Out 150us
Addr=SA, A1=1
Protect Another
Sector Protection
PLSCNT=1
Data=01H?
46
START
A6=Vil
Complete
Sector?
MX29LA641D H/L
Yes
.
REV. 1.1, JAN. 06, 2009