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M29W320DT Datasheet(PDF) 50 Page - STMicroelectronics

Part No. M29W320DT
Description  32 Mbit 4Mb x8 or 2Mb x16, Boot Block 3V Supply Flash Memory
Download  56 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M29W320DT Datasheet(HTML) 50 Page - STMicroelectronics

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Block Protection
M29W320DT, M29W320DB
50/56
Figure 16.
Programmer Equipment Block Protect Flowchart
ADDRESS = BLOCK ADDRESS
AI03469
G, A9 = VID,
E = VIL
n = 0
Wait 4µs
Wait 100µs
W = VIL
W = VIH
E, G = VIH,
A0, A6 = VIL,
A1 = VIH
A9 = VIH
E, G = VIH
++n
= 25
START
FAIL
PASS
YES
NO
DATA
=
01h
YES
NO
W = VIH
E = VIL
Wait 4µs
G = VIL
Wait 60ns
Read DATA
A9 = VIH
E, G = VIH


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