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M29W320DT, M29W320DB
Figure 21. Programmer Equipment Block Protect Flowchart
ADDRESS = BLOCK ADDRESS
AI03469
G, A9 = VID,
E = VIL
n = 0
Wait 4μs
Wait 100μs
W = VIL
W = VIH
E, G = VIH,
A0, A6 = VIL,
A1 = VIH
A9 = VIH
E, G = VIH
++n
= 25
START
FAIL
PASS
YES
NO
DATA
=
01h
YES
NO
W = VIH
E = VIL
Wait 4μs
G = VIL
Wait 60ns
Read DATA
V
P
S
E
A9 = VIH
E, G = VIH