參數(shù)資料
型號: MX29LV004TQC-70
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類: DRAM
英文描述: 4M-BIT [512K x 8] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY
中文描述: 512K X 8 FLASH 3V PROM, 70 ns, PQCC32
封裝: PLASTIC, MS-016, LCC-32
文件頁數(shù): 38/54頁
文件大?。?/td> 724K
代理商: MX29LV004TQC-70
38
P/N:PM0732
MX29LV004T/B
REV. 1.1, SEP. 19, 2001
Figure 17. IN-SYSTEM SECTOR UNPROTECTION ALGORITHM WITH RESET=VID
START
PLSCNT=1
First Write
Cycle=60H
Yes
No
RESET=VID
Wait 1us
Set up first sector address
Sector unprotect :
write 60H with
A6=1, A1=1, A0=0
Verify sector unprotect
write 40H to sector address
with A6=1, A1=1, A0=0
Wait 50ms
Increment PLSCNT
Read from sector address
with A6=1, A1=1, A0=0
Remove VID from RESET
Temporary Sector
Unprotect Mode
Set up next sector address
All sector
protected
Yes
Data=00H
Yes
Yes
Yes
No
No
No
No
Protect all sectors
PLSCNT=1000
Last sector
verified
Write reset command
Sector unprotect complete
Device failed
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