參數(shù)資料
型號: MX29F800TMI-90
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類: DRAM
英文描述: CONNECTOR ACCESSORY
中文描述: 512K X 16 FLASH 5V PROM, 90 ns, PDSO44
封裝: 0.500 INCH, PLASTIC, MO-175, SOP-44
文件頁數(shù): 28/42頁
文件大小: 693K
代理商: MX29F800TMI-90
28
P/N:PM0578
MX29F800T/B
REV. 1.7, JUL. 24, 2001
CHIP UNPROTECTION ALGORITHM
START
Protect All Sectors
PLSCNT=1
Chip Unprotect
Complete
Data=00H
Yes
Set OE=A9=VID
CE=VIL,A6=1
Activate WE Pulse
Time Out 12ms
Set OE=CE=VIL
A9=VID,A1=1
Set Up First Sector Addr
All sectors have
been verified
Remove VID from A9
Write Reset Command
Device Failed
PLSCNT=1000
No
Increment
PLSCNT
No
Read Data from Device
Yes
Yes
No
Increment
Sector Addr
* It is recommended before unprotect whole chip, all sectors should be protected in advance.
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