M29F800DB STMICROELECTRONICS [STMicroelectronics], M29F800DB Datasheet - Page 34

• Manufacturer Part Number: M29F800DB
• Description: 8 Mbit (1Mb x8 or 512Kb x16, Boot Block) 5V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M29F800DT, M29F800DB
Figure 17. Programmer Equipment Block Protect Flowchart
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ADDRESS = BLOCK ADDRESS
A0, A6 = V IL ,
G, A9 = V ID ,
Read DATA
E, G = V IH ,
Wait 100µs
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
G = V IL
START
E = V IL
E = V IL
DATA
PASS
n = 0
01h
=
YES
NO
E, G = V IH
A9 = V IH
FAIL
= 25
++n
YES
NO
AI03469