MBM29F400BC Просмотр технического описания (PDF) - Spansion Inc.
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MBM29F400BC Datasheet PDF : 48 Pages
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MBM29F400TC-55/-70-90/MBM29F400BC-55/-70-90
s DEVICE BUS OPERATION
MBM29F400TC/BC User Bus Operation (BYTE = VIH)
Operation
Auto-Select Manufacturer Code*1
Auto-Select Device Code *1
Read*3
Standby
Output Disable
Write
Enable Sector Protection*2
Verify Sector Protection*2
Temporary Sector Unprotection
Reset (Hardware)/Standby
CE OE WE A0
A1
A6
A9
DQ15 to
DQ0
RESET
L
L
H
L
L
L
VID
Code
H
L
L
H
H
L
L
VID
Code
H
L
L
H
A0
A1
A6
A9
DOUT
H
H
X
X
X
X
X
X
High-Z
H
L
H
H
X
X
X
X
High-Z
H
L
H
L
A0
A1
A6
A9
DIN
H
L
VID
X
X
L
VID
X
H
L
L
H
L
H
L
VID
Code
H
X
X
X
X
X
X
X
X
VID
X
X
X
X
X
X
X
High-Z
L
Legend: L = VIL, H = VIH, X = VIL or VIH,
= Pulse input. See s DC CHARACTERISTICS for voltage levels.
*1 : Manufacturer and device codes may also be accessed via a command register write sequence. Refer to
“MBM29F400TC/BC Command Definitions” in sDEVICE 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.
MBM29F400TC/BC User Bus Operation (BYTE = VIL)
Operation
Auto-Select Manufacturer Code*1
Auto-Select Device Code*1
Read*3
Standby
Output Disable
Write
Enable Sector Protection*2
Verify Sector Protection*2
Temporary Sector Unprotection
Reset (Hardware)/Standby
CE
OE
WE
DQ15
/A-1
A0
A1
A6
A9 DQ7 to DQ0 RESET
L
L
HL
L
L
L VID
Code
H
L
LHLH
L
L VID
Code
H
L
L
H A-1 A0 A1 A6 A9
DOUT
H
H X X X X X X X High-Z
H
L H H X X X X X High-Z
H
L
H
L
A-1 A0
A1
A6
A9
DIN
H
L VID
L
X
X
L VID
X
H
L
LHL
L
H
L VID
Code
H
XXXXXXXX
X
VID
X X X X X X X X High-Z
L
Legend: L = VIL, H = VIH, X = VIL or VIH,
= Pulse input. See s DC CHARACTERISTICS for voltage levels.
*1 : Manufacturer and device codes may also be accessed via a command register write sequence. Refer to
“MBM29F400TC/BC Command Definitions” in sDEVICE 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
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