M29W640GT70NA6F NUMONYX, M29W640GT70NA6F Datasheet - Page 85
M29W640GT70NA6F
Manufacturer Part Number
M29W640GT70NA6F
Description
64MB FLASH MEMORY
Manufacturer
NUMONYX
Datasheet
1.M29W640GT70NA6F.pdf
(91 pages)
- Current page: 85 of 91
- Download datasheet (2Mb)
M29W640GH, M29W640GL, M29W640GT, M29W640GB
Figure 26. Programmer equipment chip unprotect flowchart
1. Block protection groups are shown in
NO
E, G = V IH
A9 = V IH
= 1000
FAIL
++n
YES
ADDRESS = CURRENT GROUP ADDRESS
A6 =V IH,
Appendix
A0, A2, A3 = V IL , A1 =V IH ,
PROTECT ALL GROUPS
CURRENT GROUP = 0
A6, A12, A15 = V IH (1)
NO
E, G, A9 = V ID
Read DATA
A9 = VID,
Wait 10ms
E, G = V IH
Wait 60ns
Wait 4µs
Wait 4µs
W = V IH
W = V IL
G = V IL
START
E = V IL
A, Tables
DATA
n = 0
00h
=
Others = X
YES
28
and 29.
E, G = V IH
A9 = V IH
GROUP
PASS
LAST
YES
CURRENT GROUP
INCREMENT
NO
Block protection
AI11556b
85/91
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