M29W128FL View Datasheet(PDF) - Numonyx -> Micron
Part Name
Description
MFG CO.
'M29W128FL' PDF : 78 Pages View PDF
Flowcharts
M29W128FH, M29W128FL
Figure 19. Programmer equipment Chip Unprotect flowchart
START
PROTECT ALL
GROUPS
n=0
CURRENT GROUP = 0
A6, A12, A15 = VIH(1)
E, G, A9 = VID
Wait 4µs
W = VIL
Wait 10ms
W = VIH
E, G = VIH
ADDRESS = CURRENT
GROUP ADDRESS
A0, A2, A3, A4, A5, A7 = VIL
A1, A6 = VIH
E = VIL
Wait 4µs
G = VIL
Wait 60ns
Read DATA
INCREMENT
CURRENT GROUP
NO DATA = 00h YES
NO
++n
= 1000
YES
A9 = VIH
E, G = VIH
FAIL
LAST
NO
GROUP
YES
A9 = VIH
E, G = VIH
PASS
1. Block Protection Groups are shown in Appendix D: High Voltage Block Protection, Table 28.
AI07757b
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