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MX29LV640BTTC-90G 参数 Datasheet PDF下载

MX29LV640BTTC-90G图片预览
型号: MX29LV640BTTC-90G
PDF下载: 下载PDF文件 查看货源
内容描述: 64M - BIT [ 8M ​​×8 / 4M ×16 ]单电压3V仅限于Flash存储器 [64M-BIT [8M x 8/4M x 16] SINGLE VOLTAGE 3V ONLY FLASH MEMORY]
分类和应用: 存储
文件页数/大小: 69 页 / 502 K
品牌: Macronix [ MACRONIX INTERNATIONAL ]
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MX29LV640BT/BB  
Figure 18. CHIP UNPROTECT FLOWCHART (A9, OE# Control)  
START  
Protect All Sectors  
PLSCNT=1  
Set OE#=A9=VID  
CE#=VIL, A6=1  
Activate WE# Pulse  
Time Out 15ms  
Increment  
PLSCNT  
Set OE#=CE#=VIL  
A9=VID, A1=1  
Set Up First Sector Addr  
Read Data from Device  
No  
No  
Data=00H?  
Yes  
PLSCNT=1000?  
Increment  
Sector Addr  
Yes  
Device Failed  
No  
All sectors have  
been verified?  
Yes  
Remove VID from A9  
Write Reset Command  
Chip Unprotect  
Complete  
* It is recommended before unprotect whole chip, all sectors should be protected in advance.  
P/N:PM1076  
REV. 1.2, SEP. 07, 2005  
54  
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