參數(shù)資料
型號: 29LV650
廠商: Fujitsu Limited
英文描述: 64M (4M x 16) BIT
中文描述: 64M號(4米× 16)位
文件頁數(shù): 8/57頁
文件大?。?/td> 625K
代理商: 29LV650
MBM29LV650UE/651UE-
90/12
8
I
DEVICE BUS OPERATION
Legend: L = V
IL
, H = V
IH
, X = V
IL
or V
IH
.
= Pulse input. See DC Characteristics for voltage levels.
Notes: 1. Manufacturer and device codes may also be accessed via a command register write sequence. See
Table 3.
2. Refer to the section on Sector Group 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 group protection.
Table2 MBM29LV650UE/651UE User Bus Operations
Operation
CE
OE
WE
A
0
A
1
A
6
A
9
DQ
0
to DQ
15
RESET WP
Auto-Select Manufacture Code (1)
L
L
H
L
L
L
V
ID
Code
H
X
Auto-Select Device Code (1)
L
L
H
H
L
L
V
ID
Code
H
X
Read (3)
L
L
H
A
0
A
1
A
6
A
9
D
OUT
H
X
Standby
H
X
X
X
X
X
X
HIGH-Z
H
X
Output Disable
L
H
H
X
X
X
X
HIGH-Z
H
X
Write (Program/Erase)
L
H
L
A
0
A
1
A
6
A
9
D
IN
H
X
Enable Sector Group Protection (2), (4)
L
V
ID
L
H
L
V
ID
X
H
X
Verify Sector Group Protection (2), (4)
L
L
H
L
H
L
V
ID
Code
H
X
Temporary Sector Group Unprotection (5)
X
X
X
X
X
X
X
X
V
ID
X
Reset (Hardware)/Standby
X
X
X
X
X
X
X
HIGH-Z
L
X
Outermost Sector Write Protection
X
X
X
X
X
X
X
X
X
L
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