参数资料
型号: MX29LV640UXBC-90
厂商: MACRONIX INTERNATIONAL CO LTD
元件分类: PROM
英文描述: 4M X 16 FLASH 2.7V PROM, 90 ns, PBGA63
封装: 11 X 12 MM, 1.30 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MO-210, CSP-63
文件页数: 43/66页
文件大小: 1142K
代理商: MX29LV640UXBC-90
48
P/N:PM0744
REV. 1.0, OCT. 29, 2003
MX29LV640U
Fig 15. SECTOR GROUP PROTECTION ALGORITHM (A9, OE Control)
START
Set Up Sector Addr
PLSCNT=1
Sector Protection
Complete
Data=01H?
Yes
.
OE=VID,A9=VID,CE=VIL
A6=VIL
Activate WE Pulse
Time Out 150us
Set WE=VIH, CE=OE=VIL
A9 should remain VID
Read from Sector
Addr=SA, A1=1
Protect Another
Sector?
Remove VID from A9
Write Reset Command
Device Failed
PLSCNT=32?
Yes
No
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