M29W800DB STMICROELECTRONICS [STMicroelectronics], M29W800DB Datasheet - Page 37

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M29W800DB

Manufacturer Part Number
M29W800DB
Description
8 Mbit (1Mb x8 or 512Kb x16, Boot Block) 3V Supply Flash Memory
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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Figure 20. Programmer Equipment Block Protect Flowchart
ADDRESS = BLOCK ADDRESS
A0, A6 = V IL ,
G, A9 = V ID ,
Read DATA
Wait 100µs
E, G = V IH ,
E, G = V IH
Wait 60ns
A1 = V IH
A9 = V IH
Wait 4µs
Wait 4µs
W = V IH
W = V IH
W = V IL
E = V IL
E = V IL
G = V IL
START
DATA
PASS
n = 0
01h
=
YES
NO
E, G = V IH
A9 = V IH
FAIL
= 25
++n
YES
NO
M29W800DT, M29W800DB
AI03469
37/42

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