MBM29LV650UE/651UE-90/12
■ 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)
Auto-Select Device Code (1)
Read (3)
L
L
L
H
L
L
L
L
X
X
X
L
L
H
H
H
X
H
L
L
H
A0
X
X
A0
L
L
L
L
L
VID
VID
A9
X
Code
Code
DOUT
HIGH-Z
HIGH-Z
DIN
H
H
H
H
H
H
H
H
VID
L
X
X
X
X
X
X
X
X
X
X
L
L
A1
X
A6
X
X
A6
L
Standby
X
H
H
VID
L
Output Disable
X
X
Write (Program/Erase)
A1
H
H
X
A9
VID
VID
X
Enable Sector Group Protection (2), (4)
Verify Sector Group Protection (2), (4)
Temporary Sector Group Unprotection (5)
Reset (Hardware)/Standby
Outermost Sector Write Protection
X
H
X
X
X
L
L
Code
X
X
X
X
X
X
X
X
X
X
X
X
HIGH-Z
X
X
X
X
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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