參數(shù)資料
型號(hào): MX29F400TTC-12
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類: DRAM
英文描述: 4M-BIT [512Kx8/256Kx16] CMOS FLASH MEMORY
中文描述: 256K X 16 FLASH 5V PROM, 120 ns, PDSO48
封裝: 12 X 20 MM, PLASTIC, MO-142, TSOP1-48
文件頁數(shù): 36/44頁
文件大小: 710K
代理商: MX29F400TTC-12
36
P/N:PM0439
MX29F400T/B
REV. 1.6, NOV. 12, 2001
SECTOR PROTECTION ALGORITHM FOR SYSTEM WITHOUT 12V
START
Set Up Sector Addr
(A17,A16,A15,A14,A13,A12)
PLSCNT=1
Sector Protection
Complete
Data=01H
Yes
Yes
OE=VIH,A9=VIH
CE=VIL,A6=VIL
Activate WE Pulse to start
Data don't care
Set CE=OE=VIL
A9=VIH
Read from Sector
Addr=SA, A1=1
Protect Another
Sector
Write Reset Command
Device Failed
PLSCNT=32
Yes
No
No
Increment PLSCNT
No
Write "unlock for sector protect/unprotect"
Command(Table1)
Toggle bit checking
Q6 not Toggled
No
Yes
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