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M29W640FT Datasheet(PDF) 28 Page - STMicroelectronics

Part # M29W640FT
Description  64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory
PDF  72 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29W640FT Datasheet(HTML) 28 Page - STMicroelectronics

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4 Command Interface
M29W640FT, M29W640FB
28/72
Table 6.
Commands, 8-bit mode, BYTE = VIL
1.
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-A20, DQ8-DQ14 and DQ15
are Don
’t Care. DQ15A–1 is A–1 when BYTE is V
IL or DQ15 when BYTE is VIH.
Command
Bus Write Operations
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
Add
Data
Add
Data
Add
Data
Add
Data
Add
Data
Add
Data
Add
Data
Add
Data
Add
Data
Read/Reset
1
X
F0
3
AAA
AA
555
55X
F0
Auto Select
3
AAA
AA
555
55
AAA
90
Program
4
AAA
AA
555
55
AAA
A0
PA
PD
Double Byte
Program
3
AAA
50
PA0
PD0
PA1
PD1
PA2
PD2
Quadruple
Byte Program
5
AAA
56
PA0
PD0
PA1
PD1
PA2
PD2
PA3
PD3
Octuple Byte
Program
9
AAA
8B
PA0
PD0
PA1
PD1
PA2
PD2
PA3
PD3
PA4
PD4
PA5
PD5
PA6
PD6
PA7
PD7
Unlock
Bypass
3
AAA
AA
555
55
AAA
20
Unlock
Bypass
Program
2
X
A0
PA
PD
Unlock
Bypass Reset
2
X
90X
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
Program/
Erase
Suspend
1
X
B0
Program/
Erase
Resume
1
X
30
Read CFI
Query
1
AA
98
Enter
Extended
Block
3
AAA
AA
555
55
AAA
88
Exit Extended
Block
4
AAA
AA
555
55
AAA
90X
00



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