MBM29LV650UE データシートの表示（PDF） - Fujitsu
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MBM29LV650UE Datasheet PDF : 57 Pages
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MBM29LV650UE/651UE-90/12
s DEVICE BUS OPERATION
Table2 MBM29LV650UE/651UE User Bus Operations
Operation
CE OE WE A0 A1 A6 A9 DQ0 to DQ15 RESET WP
Auto-Select Manufacture Code (1)
L L H L L L VID
Auto-Select Device Code (1)
L L H H L L VID
Read (3)
L L H A0 A1 A6 A9
Standby
HXXXXXX
Output Disable
L HHX X X X
Write (Program/Erase)
L H L A0 A1 A6 A9
Enable Sector Group Protection (2), (4) L VID
L H L VID
Verify Sector Group Protection (2), (4)
L L H L H L VID
Temporary Sector Group Unprotection (5) X X X X X X X
Reset (Hardware)/Standby
XXXXXXX
Outermost Sector Write Protection
XXXXXXX
Code
Code
DOUT
HIGH-Z
HIGH-Z
DIN
X
Code
X
HIGH-Z
X
H
X
H
X
H
X
H
X
H
X
H
X
H
X
H
X
VID
X
L
X
X
L
Legend: L = VIL, H = VIH, X = VIL or VIH. = 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 VIL if OE is VIL, OE at VIH initiates the write operations.
4. VCC = 3.3 V ±10%
5. It is also used for the extended sector group protection.
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