MBM29F800TA
-55/-70/-90
/MBM29F800BA
-55/-70/-90
s
DEVICE BUS OPERATION
MBM29F800TA/BA User Bus Operation (BYTE = V
IH
)
Operation
Auto-Select Manufacturer Code*
1
Auto-Select Device Code*
1
Read*
3
Standby
Output Disable
Write
Enable Sector Protection*
2
Verify Sector Protection*
2
Temporary Sector Unprotection
Reset (Hardware)/Standby
Legend:
L = V
IL
, H = V
IH
, X = V
IL
or V
IH
,
CE
L
L
L
H
L
L
L
L
X
X
OE
L
L
L
X
H
H
V
ID
L
X
X
H
X
X
WE
H
H
H
X
H
L
A
0
L
H
A
0
X
X
A
0
X
L
X
X
A
1
L
L
A
1
X
X
A
1
X
H
X
X
A
6
L
L
A
6
X
X
A
6
L
L
X
X
A
9
V
ID
V
ID
A
9
X
X
A
9
V
ID
V
ID
X
X
DQ
15
to DQ
0
RESET
Code
Code
D
OUT
High-Z
High-Z
D
IN
X
Code
X
High-Z
H
H
H
H
H
H
H
H
V
ID
L
= Pulse input. See DC Characteristics for voltage levels.
*1 : Manufacturer and device codes may also be accessed via a command register write sequence. See
MBM29F800TA/BA Command Definitions” in
s
DEVICE BUS OPERATION.
*2 : Refer to the section on Sector Protection.
*3 : WE can be V
IL
if OE is V
IL
, OE at V
IH
initiates the write operations.
MBM29F800TA/BA User Bus Operation (BYTE = V
IL
)
Operation
Auto-Select Manufacturer Code *
1
Auto-Select Device Code *
1
Read *
3
Standby
Output Disable
Write (Program/Erase)
Enable Sector Protection *
2
Verify Sector Protection *
2
Temporary Sector Unprotection
Reset (Hardware)/Standby
Legend:
L = V
IL
, H = V
IH
, X = V
IL
or V
IH
,
CE
L
L
L
H
L
L
L
L
X
X
OE
L
L
L
X
H
H
V
ID
L
X
X
H
X
X
15
WE DQ
-1
/A
A
0
L
H
A
0
X
X
A
0
X
L
X
X
A
1
L
L
A
1
X
X
A
1
H
H
X
X
A
6
L
L
A
6
X
X
A
6
L
L
X
X
A
9
V
ID
V
ID
A
9
X
X
A
9
V
ID
V
ID
X
X
DQ
7
to DQ
0
RESET
H
H
H
H
H
H
H
H
V
ID
L
H
H
H
X
H
L
L
L
A
-1
X
X
A
-1
X
L
X
X
Code
Code
D
OUT
High-Z
High-Z
D
IN
X
Code
X
High-Z
= Pulse input. See DC Characteristics for voltage levels.
* 1 : Manufacturer and device codes may also be accessed via a command register write sequence. See
MBM29F800TA/BA Command Definitions” in
s
DEVICE BUS OPERATION.
*2 : Refer to the section on Sector Protection.
*3 : WE can be V
IL
if OE is V
IL
, OE at V
IH
initiates the write operations.
7
SPANSION [ SPANSION ]
