MX29LV640DT Macronix International, MX29LV640DT Datasheet - Page 45

• Manufacturer Part Number: MX29LV640DT
• Description: 64m-bit Single Voltage 3V ONLY Uniform Sector Flash Memory
• Manufacturer: Macronix International

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Figure 14-2. CHIP UNPROTECT ALGORITHMS WITH RESET#=Vhv
P/N:PM1208
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
45
RESET#=Vhv
Wait 1us
Wait 15ms
All sectors
protected?
Data=00h?
data: 60h
data: 40h
START
MX29LV640D T/B
Yes
Yes
Yes
No
Protect All Sectors
REV. 1.6, AUG. 16, 2008
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