M29W640GB NUMONYX [Numonyx B.V], M29W640GB Datasheet - Page 83

• Manufacturer Part Number: M29W640GB
• Description: 64 Mbit (8Mb x8 or 4Mb x16, Page) 3V supply Flash memory
• Manufacturer: NUMONYX [Numonyx B.V]

M29W640GH, M29W640GL, M29W640GT, M29W640GB
Figure 25. Programmer Equipment Group Protect flowchart
1. Block Protection Groups are shown in
ADDRESS = GROUP ADDRESS
A6 =V IL,
A0, A2, A3 = V IL , A1 =V IH ,
Appendix
G, A9 = V ID ,
A9 = VID,
Read DATA
Wait 100µs
E, G = V IH ,
E, G = V IH
Wait 60ns
A9 = V IH
Wait 4µs
Wait 4µs
W = V IH
W = V IH
W = V IL
G = V IL
START
E = V IL
E = V IL
DATA
PASS
n = 0
01h
=
YES
A, Tables
Others = X
NO
28
and 29.
E, G = V IH
A9 = V IH
FAIL
= 25
++n
YES
NO
Block Protection
AI11555
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