MX29LAA641D MCNIX [Macronix International], MX29LAA641D Datasheet - Page 44

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

Figure 15-2. CHIP UNPROTECT ALGORITHMS WITH RESET#=Vhv
P/N:PM1289
Retry Count=1000?
Retry Count +1
Device fail
No
Yes
No
No
Write [A6,A1,A0]:[1,1,0]
Write [A6,A1,A0]:[1,1,0]
Read [A6,A1,A0]:[1,1,0]
Temporary Unprotect
Chip Unprotect Done
Temporary Unprotect
Write reset CMD
First CMD=60h?
Retry count=0
RESET#=Vih
RESET#=Vhv
Wait 1us
Wait 15ms
All sectors
protected?
Data=00h?
Last sector
44
data: 60h
data: 40h
verified?
START
Yes
Yes
Yes
Yes
MX29LA641D H/L
No
No
Protect All Sectors
REV. 1.1, JAN. 06, 2009