m29dw640f Numonyx, m29dw640f Datasheet - Page 69

• Manufacturer Part Number: m29dw640f
• Description: 64 Mbit 8mb X8 Or 4mb X16, Multiple Bank, Page, Boot Block 3v Supply Flash Memory
• Manufacturer: Numonyx

M29DW640F
Figure 20. Programmer Equipment Group Protect flowchart
1. Block Protection Groups are shown in
Appendix D
E, G = V IH , A1 = V IH
A0, A2, A3, A6 = V IL
GROUP ADDRESS
ADDRESS =
Read DATA
G, A9 = V ID ,
Wait 100µs
DATA = 01h
E, G = V IH
Wait 60ns
Wait 4µs
A9 = V IH
Wait 4µs
W = V IH
W = V IH
W = V IL
G = V IL
START
E = V IL
PASS
E = V IL
n = 0
,
Table 24
YES
.
NO
E, G = V IH
A9 = V IH
FAIL
= 25
++n
YES
NO
Block protection
AI07756
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