MBM29DL32XTE/BE80/90
MBM29DL32XTE/BE User Bus Operations (BYTE = VIL)
DQ15
/A-1
DQ7 to
DQ0
Operation
CE OE WE
A0
A1
A6
A9
RESET WP/ACC
Auto-Select Manufacturer Code*1
Auto-Select Device code*1
Read*3
L
L
L
H
L
L
L
L
H
H
H
X
H
L
L
L
L
H
L
L
L
L
VID
VID
A9
X
Code
Code
DOUT
H
H
H
H
H
H
X
X
X
X
X
X
L
A-1
X
A0
X
A1
X
A6
X
Standby
X
H
H
High-Z
High-Z
DIN
Output Disable
X
X
X
X
X
Write (Program/Erase)
A-1
A0
A1
A6
A9
Enable Sector Group Protection
*2, *4
L
L
X
VID
L
L
L
L
L
H
H
X
L
L
X
VID
VID
X
X
Code
X
H
H
X
X
X
Verify Sector Group Protection*2, *4
H
X
Temporary Sector Group
Unprotection*5
X
X
X
VID
Reset (Hardware) /Standby
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
High-Z
X
L
X
L
Boot Block Sector Write Protection
X
Legend : L = VIL, H = VIH, X = VIL or VIH,
= Pulse input. See DC Characteristics for voltage levels.
*1 : Manufacturer and device codes are accessed via a command register write sequence. See “MBM29DL32XTE/
BE Command Definitions”.
*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 : Also used for the extended sector group protection.
10