參數(shù)資料
型號(hào): MX29F400TTA-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, TSOP1-48
文件頁數(shù): 37/44頁
文件大?。?/td> 710K
代理商: MX29F400TTA-12
37
P/N:PM0439
MX29F400T/B
REV. 1.6, NOV. 12, 2001
CHIP UNPROTECTION ALGORITHM FOR SYSTEM WITHOUT 12V
START
Protect All Sectors
PLSCNT=1
Chip Unprotect
Complete
Data=00H
Yes
Set OE=A9=VIH
CE=VIL,A6=1
Activate WE Pulse to start
Data don't care
Set OE=CE=VIL
A9=VIH,A1=1
Set Up First Sector Addr
All sectors have
been verified
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.
Write "unlock for sector protect/unprotect"
Command (Table 1)
Toggle bit checking
Q6 not Toggled
Yes
No
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MX29F400TTA-90 制造商:MCNIX 制造商全稱:Macronix International 功能描述:4M-BIT [512Kx8/256Kx16] CMOS FLASH MEMORY
MX29F400TTC-12 制造商:MCNIX 制造商全稱:Macronix International 功能描述:4M-BIT [512Kx8/256Kx16] CMOS FLASH MEMORY
MX29F400TTC-55 制造商:MCNIX 制造商全稱:Macronix International 功能描述:4M-BIT [512Kx8/256Kx16] CMOS FLASH MEMORY
MX29F400TTC-70 制造商:MCNIX 制造商全稱:Macronix International 功能描述:4M-BIT [512Kx8/256Kx16] CMOS FLASH MEMORY
MX29F400TTC-90 制造商:MCNIX 制造商全稱:Macronix International 功能描述:4M-BIT [512Kx8/256Kx16] CMOS FLASH MEMORY