M29F800DT55M6(2003) 데이터 시트보기 (PDF) - STMicroelectronics

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M29F800DT55M6
(Rev.:2003)

8 Mbit (1Mb x8 or 512Kb x16, Boot Block) 5V Supply Flash Memory

STMicroelectronics 

M29F800DT, M29F800DB

Figure 17. Programmer Equipment Block Protect Flowchart

START

ADDRESS = BLOCK 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

34/39

AI03469

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