M29W640FB STMICROELECTRONICS [STMicroelectronics], M29W640FB Datasheet - Page 69

• 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 18. In-System Equipment Group Protect Flowchart
2. Block Protection Groups are shown in
3. RP can be either at V
IH
or at V
ID
when using the In-System Technique to protect the Extended Block.
ADDRESS = GROUP ADDRESS
ADDRESS = GROUP ADDRESS
ADDRESS = GROUP ADDRESS
ADDRESS = GROUP ADDRESS
A0, A2, A3, A6 = V IL , A1 = V IH
A0, A2, A3, A6 = V IL , A1 = V IH
A0, A2, A3, A6 = V IL , A1 = V IH
A0, A2, A3, A6 = V IL , A1 = V IH
Appendix
ISSUE READ/RESET
READ DATA
COMMAND
WRITE 60h
WRITE 60h
WRITE 40h
Wait 100µs
RP = V ID
RP = V IH
Wait 4µs
START
DATA
PASS
A, Tables
n = 0
01h
=
YES
NO
20
and 21.
ISSUE READ/RESET
COMMAND
RP = V IH
FAIL
= 25
++n
YES
NO
9 Part Numbering
AI11563
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