M29W640GT70NA6F NUMONYX, M29W640GT70NA6F Datasheet - Page 84

• Manufacturer Part Number: M29W640GT70NA6F
• Description: 64MB FLASH MEMORY
• Manufacturer: NUMONYX

Block protection
84/91
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 ,
M29W640GH, M29W640GL, M29W640GT, M29W640GB
Appendix
G, A9 = V ID ,
A9 = VID,
Read DATA
E, G = V IH ,
Wait 100µs
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
AI11555