MBM29F800TA-55/-70/-90/MBM29F800BA-55/-70/-90
■ DEVICE BUS OPERATION
MBM29F800TA/BA User Bus Operation (BYTE = VIH)
DQ15 to DQ0
Code
Code
DOUT
Operation
Auto-Select Manufacturer Code*1
Auto-Select Device Code*1
Read*3
CE
L
OE
L
WE
H
A0
L
A1
L
A6
L
A9
VID
VID
A9
X
RESET
H
H
H
H
H
H
H
H
VID
L
L
L
H
H
A0
X
L
L
L
L
H
A1
X
A6
X
X
A6
L
Standby
H
L
X
X
High-Z
High-Z
DIN
Output Disable
H
H
VID
L
H
X
X
X
Write
L
L
A0
X
A1
X
A9
VID
VID
X
Enable Sector Protection*2
Verify Sector Protection*2
Temporary Sector Unprotection
Reset (Hardware)/Standby
L
X
L
H
X
X
L
H
X
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.
*1 : Manufacturer and device codes may also be accessed via a command register write sequence. See
MBM29F800TA/BA Command Definitions” in ■ DEVICE BUS OPERATION.
*2 : Refer to the section on Sector Protection.
*3 : WE can be VIL if OE is VIL, OE at VIH initiates the write operations.
MBM29F800TA/BA User Bus Operation (BYTE = VIL)
DQ15
DQ7 to DQ0
Operation
CE OE WE
A0
A1
A6
A9
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
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
L
L
A-1
X
A1
X
A6
X
X
A6
L
Standby
X
H
H
VID
L
Output Disable
X
X
X
X
Write (Program/Erase)
Enable Sector Protection *2
A-1
X
A0
X
A1
H
H
X
A9
VID
VID
X
X
Verify Sector Protection *2
H
X
X
L
L
L
Code
X
Temporary Sector Unprotection
Reset (Hardware)/Standby
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.
* 1 : Manufacturer and device codes may also be accessed via a command register write sequence. See
MBM29F800TA/BA Command Definitions” in ■ DEVICE BUS OPERATION.
*2 : Refer to the section on Sector Protection.
*3 : WE can be VIL if OE is VIL, OE at VIH initiates the write operations.
7
SPANSION [ SPANSION ]
