M29W640FB STMICROELECTRONICS [STMicroelectronics], M29W640FB Datasheet - Page 67

• Manufacturer Part Number: M29W640FB
• Description: 64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M29W640FT, M29W640FB
Figure 16. Programmer Equipment Group Protect Flowchart
1. Block Protection Groups are shown in
ADDRESS = GROUP ADDRESS
A6 =V IL,
A0, A2, A3 = V IL , A1 =V IH ,
Appendix
G, A9 = V ID ,
Read DATA
A9 = VID,
Wait 100µs
E, G = V IH ,
E, G = V IH
Wait 60ns
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
A, Tables
DATA
PASS
n = 0
01h
=
YES
Others = X
NO
20
and 21.
E, G = V IH
A9 = V IH
FAIL
= 25
++n
YES
NO
9 Part Numbering
AI11555
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