MBM29F400BC-55 FUJITSU [Fujitsu Component Limited.], MBM29F400BC-55 Datasheet - Page 8

• Manufacturer Part Number: MBM29F400BC-55
• Description: 4M (512K X 8/256K X 16) BIT
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

8
MBM29F400TC
Legend: L = V
Notes: 1. Manufacturer and device codes may also be accessed via a command register write sequence. Refer
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
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
2. Refer to the section on Sector Protection.
3. WE can be V
to Table 7.
Operation
Operation
IL
, H = V
IH
Table 2
Table 3
IL
, X = V
if OE is V
IL
or V
-55/-70/-90
MBM29F400TC/BC User Bus Operation (BYTE = V
MBM29F400TC/BC User Bus Operation (BYTE = V
IL
, OE at V
IH
,
CE
CE
H
X
X
L
L
L
L
L
L
L
H
X
X
L
L
L
L
L
L
L
= Pulse input. See DC Characteristics for voltage levels.
IH
OE
V
/MBM29F400BC
initiates the write operations.
X
H
H
X
X
L
L
L
L
OE
V
ID
H
H
X
X
X
L
L
L
L
ID
WE DQ
H
H
H
X
H
H
X
X
L
WE
H
H
H
X
H
H
X
X
L
/A
A
A
X
X
X
X
L
L
L
L
-1
-1
-1
15
A
A
A
H
X
X
X
X
X
L
L
0
0
0
A
A
A
H
L
X
X
X
L
X
X
0
0
0
A
A
A
H
X
X
X
X
X
L
L
1
1
1
A
A
A
H
L
L
X
X
X
X
X
1
1
1
A
A
A
X
X
X
X
L
L
L
L
A
A
A
6
6
6
X
X
X
X
L
L
L
L
6
6
6
-55/-70/-90
V
V
V
V
A
A
A
V
V
V
V
X
X
X
X
A
A
A
X
X
X
X
ID
ID
ID
ID
9
9
IH
9
IL
ID
ID
ID
ID
9
9
9
)
)
DQ
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
DQ
Code
Code
Code
Code
Code
Code
DQ
D
0
D
D
D
to DQ
X
X
X
X
OUT
OUT
0
IN
IN
15
to
7
RESET
RESET
V
V
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
ID
ID