M29F080D55M1T(2002) 查看數據表（PDF） - STMicroelectronics

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M29F080D55M1T
(Rev.:2002)

8 Mbit (1Mb x8, Uniform Block) 5V Supply Flash Memory

STMicroelectronics 

M29F080D

Figure 14. Programmer Equipment Group Protect Flowchart

START

ADDRESS = GROUP ADDRESS

W = VIH

n=0

G, A9 = VID,

E = VIL

Wait 4µs

W = VIL

Wait 100µs

W = VIH

E, G = VIH,

A0, A6 = VIL,

A1 = VIH

E = VIL

Wait 4µs

G = VIL

Wait 60ns

Read DATA

DATA NO

=

01h

YES

A9 = VIH

E, G = VIH

PASS

++n NO

= 25

YES

A9 = VIH

E, G = VIH

FAIL

Note: Block Protection Groups are shown in Appendix A, Table 16.

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AI05574

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