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M29W400DT Datasheet(PDF) 16 Page - STMicroelectronics

Part # M29W400DT
Description  4 Mbit (512Kb x8 or 256Kb x16, Boot Block) 3V Supply Flash Memory
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29W400DT Datasheet(HTML) 16 Page - STMicroelectronics

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Table 5. Commands, 16-bit mode, BYTE = VIH
Note: X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block. All values in the table are in hexadecimal. The
Command Interface only uses A-1; A0-A10 and DQ0-DQ7 to verify the commands; A11-A17, DQ8-DQ14 and DQ15 are Don't Care.
DQ15A-1 is A-1 when BYTE is VIL or DQ15 when BYTE is VIH.
Table 6. Commands, 8-bit mode, BYTE = VIL
Note: X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block. All values in the table are in hexadecimal. The
Command Interface only uses A-1; A0-A10 and DQ0-DQ7 to verify the commands; A11-A17, DQ8-DQ14 and DQ15 are Don't Care.
DQ15A-1 is A-1 when BYTE is VIL or DQ15 when BYTE is VIH.
Command
Bus Write Operations
1st
2nd
3rd
4th
5th
6th
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Read/Reset
1X
F0
3555
AA
2AA
55
X
F0
Auto Select
3
555
AA
2AA
55
555
90
Program
4
555
AA
2AA
55
555
A0
PA
PD
Unlock Bypass
3
555
AA
2AA
55
555
20
Unlock Bypass
Program
2
X
A0
PA
PD
Unlock Bypass Reset
2
X
90
X
00
Chip Erase
6
555
AA
2AA
55
555
80
555
AA
2AA
55
555
10
Block Erase
6+
555
AA
2AA
55
555
80
555
AA
2AA
55
BA
30
Erase Suspend
1
X
B0
Erase Resume
1
X
30
Command
Bus Write Operations
1st
2nd
3rd
4th
5th
6th
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Read/Reset
1X
F0
3
AAA
AA
555
55
X
F0
Auto Select
3
AAA
AA
555
55
AAA
90
Program
4
AAA
AA
555
55
AAA
A0
PA
PD
Unlock Bypass
3
AAA
AA
555
55
AAA
20
Unlock Bypass
Program
2
X
A0
PA
PD
Unlock Bypass Reset
2
X
90
X
00
Chip Erase
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
AAA
10
Block Erase
6+
AAA
AA
555
55
AAA
80
AAA
AA
555
55
BA
30
Erase Suspend
1
X
B0
Erase Resume
1
X
30



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