參數(shù)資料
型號: TMS29LF040-80C5DBWE
廠商: TEXAS INSTRUMENTS INC
元件分類: PROM
英文描述: 512K X 8 FLASH 3V PROM, 80 ns, PDSO32
封裝: 8 X 14 MM, PLASTIC, TSOP-32
文件頁數(shù): 25/38頁
文件大?。?/td> 495K
代理商: TMS29LF040-80C5DBWE
TMS29LF040, TMS29VF040
524288 BY 8-BIT
FLASH MEMORIES
SMJS825D – SEPTEMBER 1995 – REVISED JUNE 1998
31
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
sector-protect operation
Start
End
Yes
No
Select Sector Address
A18, A17, A16
X = 1
G and A9 = VID
E = VIL
A9 = VIH or VIL
Write Reset Command
Protect
Additional
Sectors
?
Apply One 100-
s
Pulse
G, A0, and A6 = VIL
W and A1 = VIH
Read Data
Data = 01H
?
X = 25
?
Yes
No
X = X+1
Sector Protect
Failed
Yes
Figure 14. Sector-Protect Algorithm
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