MX26LV160AT Macronix International, MX26LV160AT Datasheet - Page 40

• Manufacturer Part Number: MX26LV160AT
• Description: 16M-BIT [2Mx8/1Mx16] CMOS SINGLE VOLTAGE 3V ONLY BOOT SECTOR HIGH SPEED eLiteFlashTM MEMORY
• Manufacturer: Macronix International

www.DataSheet4U.com
Figure 16. CHIP UNPROTECTION ALGORITHM (A9, OE# Control)
P/N:PM1123
Sector Addr
Increment
* It is recommended before unprotect whole chip, all sectors should be protected in advance.
No
Set OE#=CE#=VIL, A9=VID,
Set OE#=A9=VID, CE#=VIL,
Set Up First Sector Addr
Read Data from Device
Write Reset Command
Remove VID from A9
Activate WE# Pulse
A1=1, A0=0, A6=0
A6=1, A1=1, A0=0
Protect All Sectors
Time Out 50ms
All sectors have
been verified?
PLSCNT=1
Chip Unprotect
Data=00H?
START
Complete
MX26LV160AT/AB
40
Yes
Yes
No
PLSCNT=1000?
Device Failed
Increment
PLSCNT
Yes
No
REV. 1.1, NOV. 18, 2004