MBM29DL64DF
-70
MBM29DL64DF User Bus Operations Table (BYTE
=
V
IL
)
Operation
Standby
Autoselect Manufacturer
Code *
1
Autoselect Device Code *
1
Extended Autoselect
Device Code *
1
Read *
3
Output Disable
Write (Program/Erase)
Enable Sector Group
Protection *
2,
*
4
Verify Sector Group
Protection *
2,
*
4
Temporary Sector Group
Unprotection *
5
Reset (Hardware) /
Standby
Boot Block Sector Write
Protection *
6
CE OE WE
H
L
L
L
L
L
L
L
L
L
X
X
X
X
L
L
L
L
L
H
H
V
ID
L
X
X
X
H
X
X
X
X
H
H
H
H
H
H
L
DQ
15
/
A
-1
X
L
L
L
L
A
-1
X
A
-1
L
L
X
X
X
A
0
X
L
H
L
H
A
0
X
A
0
L
L
X
X
X
A
1
X
L
L
H
H
A
1
X
A
1
H
H
X
X
X
A
2
X
L
L
H
H
A
2
X
A
2
L
L
X
X
X
A
3
X
L
L
H
H
A
3
X
A
3
L
L
X
X
X
A
6
X
L
L
L
L
A
6
X
A
6
L
L
X
X
X
A
9
DQ
7
to DQ
0
RESET
X
V
ID
V
ID
V
ID
V
ID
A
9
X
A
9
V
ID
V
ID
X
X
X
High-Z
Code
Code
Code
Code
D
OUT
High-Z
D
IN
X
Code
X
High-Z
X
H
H
H
H
H
H
H
H
H
H
V
ID
L
X
WP/
ACC
X
X
X
X
X
X
X
X
X
X
X
X
L
Legend : L
=
V
IL
, H
=
V
IH
, X
=
V
IL
or V
IH
,
=
Pulse input. See “sDC CHARACTERISTICS” for voltage levels.
*1 : Manufacturer and device codes are accessed via command register write sequence. See “Command
Definitions Table”.
*2 : Refer to “Sector Group Protection” in
sFUNCTIONAL
DESCRIPTION.
*3 : WE can be V
IL
if OE is V
IL
, OE at V
IH
initiates the write operations.
*4 : V
CC
=
2.7 V to 3.6 V
*5 : Also used for extended sector group protection.
*6 : Protect “outermost” 2
×
8K bytes on both ends of the boot block sectors (SA0, SA1, SA140, SA141) .
9
FUJITSU [ FUJITSU COMPONENT LIMITED. ]
