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M29W641DH Datasheet(PDF) 40 Page - STMicroelectronics

Part # M29W641DH
Description  64 Mbit 4Mb x16, Uniform Block 3V Supply Flash Memory
PDF  42 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29W641DH Datasheet(HTML) 40 Page - STMicroelectronics

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M29W641DH, M29W641DL, M29W641DU
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Figure 19. In-System Equipment Chip Unprotect Flowchart
AI05577
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
n = 0
CURRENT GROUP = 0
Wait 10ms
WRITE 40h
ADDRESS = CURRENT GROUP ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
RP = VIH
++n
= 1000
START
FAIL
PASS
YES
NO
DATA
=
00h
YES
NO
RP = VIH
Wait 4µs
READ DATA
ADDRESS = CURRENT GROUP ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
RP = VID
ISSUE READ/RESET
COMMAND
ISSUE READ/RESET
COMMAND
PROTECT ALL GROUPS
INCREMENT
CURRENT GROUP
LAST
GROUP
YES
NO
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH



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