MX29LV004B Macronix, MX29LV004B Datasheet - Page 37

• Manufacturer Part Number: MX29LV004B
• Description: 4M-Bit CMOS Single Voltage 3V Only Flash Memory
• Manufacturer: Macronix

Figure 16. SECTOR PROTECTION ALGORITHM (A9, OE# Control)
P/N:PM0732
PLSCNT=32?
Device Failed
No
Yes
No
Set WE#=VIH, CE#=OE#=VIL
OE#=VID, A9=VID, CE#=VIL
Write Reset Command
Remove VID from A9
A9 should remain VID
Activate WE# Pulse
Read from Sector
Set Up Sector Addr
Time Out 150us
Addr=SA, A1=1
37
Sector Protection
Protect Another
PLSCNT=1
Data=01H?
A6=VIL
START
Complete
Sector?
MX29LV004T/B
Yes
REV. 1.7, DEC. 20, 2004