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M29W320DT Datasheet(PDF) 49 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) 49 Page - STMicroelectronics

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M29W320DT, M29W320DB
Block Protection
49/56
Table 27.
Programmer Technique Bus Operations, BYTE = VIHor VIL
Operation
E
G
W
Address Inputs
A0-A20
Data Inputs/Outputs
DQ15A–1, DQ14-DQ0
Block Protect
VIL
VID VIL Pulse
A9 = VID, A12-A20 Block Address
Others = X
X
Chip Unprotect
VID
VID VIL Pulse
A9 = VID, A12 = VIH, A15 = VIH
Others = X
X
Block Protection
Verify
VIL
VIL
VIH
A0 = VIL, A1 = VIH, A6 = VIL, A9 = VID,
A12-A20 Block Address
Others = X
Pass = XX01h
Retry = XX00h
Block Unprotection
Verify
VIL
VIL
VIH
A0 = VIL, A1 = VIH, A6 = VIH,
A9 = VID, A12-A20 Block Address
Others = X
Retry = XX01h
Pass = XX00h


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