MBM29LV400TC-70/-90/-12/MBM29LV400BC-70/-90/-12
Table 2 MBM29LV400TC/400BC User Bus Operations (BYTE = VIH)
Operation
Auto-Select Manufacturer Code (1)
Auto-Select Device Code (1)
Read (3)
CE OE WE
A0
L
A1
L
A6
L
A9
VID
VID
A9
X
DQ0 to DQ15 RESET
L
L
L
H
L
L
L
L
X
X
L
L
H
H
H
X
H
L
Code
Code
DOUT
H
H
H
H
H
H
H
H
VID
L
H
A0
X
L
L
L
A1
X
A6
X
X
A6
L
Standby
X
H
H
VID
L
HIGH-Z
HIGH-Z
DIN
Output Disable
X
X
X
Write (Program/Erase)
Enable Sector Protection (2), (4)
Verify Sector Protection (2), (4)
Temporary Sector Unprotection
Reset (Hardware)/Standby
A0
L
A1
H
H
X
A9
VID
VID
X
X
H
X
X
L
L
Code
X
X
X
X
X
X
X
X
X
HIGH-Z
Table 3 MBM29LV400TC/400BC User Bus Operations (BYTE = VIL)
DQ15/
Operation
CE
OE WE
A0
A1
A6
A9 DQ0 to DQ7 RESET
A-1
Auto-Select Manufacturer Code (1)
Auto-Select Device Code (1)
Read (3)
L
L
L
H
L
L
L
L
X
X
L
L
H
H
H
X
H
L
L
L
H
A0
X
X
A0
L
L
L
L
L
VID
VID
A9
X
Code
Code
DOUT
H
H
H
H
H
H
H
H
VID
L
L
L
A-1
X
A1
X
A6
X
X
A6
L
Standby
X
H
H
VID
L
HIGH-Z
HIGH-Z
DIN
Output Disable
X
X
X
Write (Program/Erase)
Enable Sector Protection (2), (4)
Verify Sector Protection (2), (4)
Temporary Sector Unprotection (5)
Reset (Hardware)/Standby
A-1
L
A1
H
H
X
A9
VID
VID
X
X
H
X
X
L
L
L
Code
X
X
X
X
X
X
X
X
X
X
X
HIGH-Z
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 7.
2. Refer to the section on Sector 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 protection.
9
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