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M29DW128F Datasheet(PDF) 21 Page - STMicroelectronics

Part # M29DW128F
Description  128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V supply Flash memory
PDF  94 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29DW128F Datasheet(HTML) 21 Page - STMicroelectronics

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M29DW128F
Bus operations
21/94
Table 6.
Bus operations, 16-bit mode(1)
Operation
E
G
W
RP
VPP/
WP
Address Inputs
Data Inputs/Outputs
A22-A0
DQ15A-1, DQ14-DQ0
Bus Read
VIL
VIL
VIH
VIH
VIH
Cell Address
Data Output
Bus Write
VIL
VIH
VIL
VIH
VIH
Command Address
Data Input
Output Disable
X
VIH
VIH
VIH
VIH
XHi-Z
Standby
VIH
XX
VIH
VIH
XHi-Z
1.
X = VIL or VIH.
Table 7.
Read Electronic Signature, 16-bit mode(1)
Read Cycle
E
G
W
Address Inputs
Data Inputs/Outputs
A22-
A10
A9
A8
A7-
A6
A5-
A4
A3
A2
A1
A0
DQ15A-1, DQ14-DQ0
Manufacturer Code
VIL
VIL
VIH
XVID
XVIL
XVIL
VIL
VIL
VIL
0020h
Device Code (Cycle 1)
VIL
VIL
VIL
VIL
VIH
227Eh
Device Code (Cycle 2)
VIH
VIH
VIH
VIL
2220h
Device Code (Cycle 3)
VIH
VIH
VIH
VIH
2200h
1.
X = VIL or VIH.
Table 8.
Block Protection, 16-bit mode(1)
Operation
E
G
W
RP
VPP/
WP
Address Inputs
Data Inputs/Outputs
A22-
A12
A11-
A10
A9
A8
A7
A6
A5-
A4
A3-
A2
A1
A0
DQ15A-1, DQ14-DQ0
Verify Extended
Block Indicator
(bits DQ6, DQ7)
VIL VIL VIH VIH
VIH
BA
XVID
X
X
VIL
X
VIL VIH
VIH
0080h
(Customer Lockable)
00C0h
(Customer Locked)(2)
Verify Block
Protection Status
BKA
VIL
VIL
VIL
0001h (protected)
0000h (unprotected)
Temporary Block
Unprotect (3)
XX
X
VID
X
Valid
Data Input
1.
X = VIL or VIH. BKA Bank Address, BA Any Address in the Block.
2.
This indicates the protection status of the second section of the Extended Block; the first section of the Extended Block
being always Factory Locked.
3.
The RP pin unprotects all the blocks that have been previously protected using a High Voltage protection Technique.



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