M29W400DB55ZE1 Micron Technology Inc, M29W400DB55ZE1 Datasheet - Page 46

• Manufacturer Part Number: M29W400DB55ZE1
• Manufacturer: Micron Technology Inc

Specifications of M29W400DB55ZE1

• Lead Free Status / Rohs Status: Not Compliant

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Figure 22. In-system equipment chip unprotect flowchart
ISSUE READ/RESET
NO
COMMAND
RP = V IH
= 1000
FAIL
++n
YES
ADDRESS = CURRENT BLOCK ADDRESS
ADDRESS = CURRENT BLOCK ADDRESS
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
PROTECT ALL BLOCKS
CURRENT BLOCK = 0
ANY ADDRESS WITH
ANY ADDRESS WITH
NO
READ DATA
WRITE 60h
WRITE 60h
WRITE 40h
Wait 10 ms
RP = V ID
Wait 4 µs
START
DATA
n = 0
00h
=
YES
ISSUE READ/RESET
COMMAND
RP = V IH
BLOCK
PASS
LAST
YES
CURRENT BLOCK
INCREMENT
NO
AI03472