參數(shù)資料
型號: MBM29LV400TC-90PF
廠商: FUJITSU LTD
元件分類: DRAM
英文描述: 4M (512K X 8/256K X 16) BIT
中文描述: 256K X 16 FLASH 3V PROM, 90 ns, PDSO44
封裝: PLASTIC, SOP-44
文件頁數(shù): 9/58頁
文件大小: 584K
代理商: MBM29LV400TC-90PF
9
MBM29LV400TC
-70/-90/-12
/MBM29LV400BC
-70/-90/-12
Legend:
L = V
IL
, H = V
IH
, X = V
IL
or V
IH
,
Notes:
1. Manufacturer and device codes may also be accessed via a command register write sequence. See
Table 7.
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.
4. V
CC
= 3.3 V ± 10%
5. It is also used for the extended sector protection.
= Pulse input. See DC Characteristics for voltage levels.
Table 2 MBM29LV400TC/400BC User Bus Operations (BYTE = V
IH
)
Operation
CE
OE
WE
A
0
A
1
A
6
A
9
DQ
0
to DQ
15
RESET
Auto-Select Manufacturer Code (1)
L
L
H
L
L
L
V
ID
Code
H
Auto-Select Device Code (1)
L
L
H
H
L
L
V
ID
Code
H
Read (3)
L
L
H
A
0
A
1
A
6
A
9
D
OUT
H
Standby
H
X
X
X
X
X
X
HIGH-Z
H
Output Disable
L
H
H
X
X
X
X
HIGH-Z
H
Write (Program/Erase)
L
H
L
A
0
A
1
A
6
A
9
D
IN
H
Enable Sector Protection (2), (4)
L
V
ID
L
H
L
V
ID
X
H
Verify Sector Protection (2), (4)
L
L
H
L
H
L
V
ID
Code
H
Temporary Sector Unprotection
X
X
X
X
X
X
X
X
V
ID
Reset (Hardware)/Standby
X
X
X
X
X
X
X
HIGH-Z
L
Table 3 MBM29LV400TC/400BC User Bus Operations (BYTE = V
IL
)
Operation
CE
OE
WE
DQ
15
/
A
-1
A
0
A
1
A
6
A
9
DQ
0
to DQ
7
RESET
Auto-Select Manufacturer Code (1)
L
L
H
L
L
L
L
V
ID
Code
H
Auto-Select Device Code (1)
L
L
H
L
H
L
L
V
ID
Code
H
Read (3)
L
L
H
A
-1
A
0
A
1
A
6
A
9
D
OUT
H
Standby
H
X
X
X
X
X
X
X
HIGH-Z
H
Output Disable
L
H
H
X
X
X
X
X
HIGH-Z
H
Write (Program/Erase)
L
H
L
A
-1
A
0
A
1
A
6
A
9
D
IN
H
Enable Sector Protection (2), (4)
L
V
ID
L
L
H
L
V
ID
X
H
Verify Sector Protection (2), (4)
L
L
H
L
L
H
L
V
ID
Code
H
Temporary Sector Unprotection (5)
X
X
X
X
X
X
X
X
X
V
ID
Reset (Hardware)/Standby
X
X
X
X
X
X
X
X
HIGH-Z
L
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