MX29LV640BXBC-90 MCNIX [Macronix International], MX29LV640BXBC-90 Datasheet - Page 51

• Manufacturer Part Number: MX29LV640BXBC-90
• Description: 64M-BIT [8M x 8/4M x 16] SINGLE VOLTAGE 3V ONLY FLASH MEMORY
• Manufacturer: MCNIX [Macronix International]

Fig 15. SECTOR GROUP PROTECTION ALGORITHM (A9, OE Control)
P/N:PM0920
PLSCNT=32?
Device Failed
No
Yes
No
OE=VID,A9=VID,CE=VIL
Set WE=VIH, CE=OE=VIL
A9 should remain VID
Write Reset Command
Remove VID from A9
Set Up Sector Addr
Activate WE Pulse
Read from Sector
Time Out 150us
Addr=SA, A1=1
Sector Protection
Protect Another
PLSCNT=1
Data=01H?
START
A6=VIL
Complete
Sector?
51
Yes
MX29LV640T/B
.
REV. 1.2, NOV. 05, 2003