MBM29F800BA 데이터 시트보기 (PDF) - Fujitsu
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MBM29F800BA Datasheet PDF : 48 Pages
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MBM29F800TA-55/-70/-90/MBM29F800BA-55/-70/-90
Table 2 MBM29F800TA/BA User Bus Operation (BYTE = VIH)
Operation
CE OE WE A0
A1
A6
A9 DQ0 to DQ15 RESET
Auto-Select Manufacturer Code (1)
L
L
H
L
L
L
VID
Code
H
Auto-Select Device Code (1)
L
L
H
H
L
L
VID
Code
H
Read (3)
L
L
H
A0
A1
A6
A9
DOUT
H
Standby
H
X
X
X
X
X
X HIGH-Z
H
Output Disable
L
H
H
X
X
X
X HIGH-Z
H
Write
L
H
L
A0
A1
A6
A9
DIN
H
Enable Sector Protection (2)
L
VID
X
X
L
VID
X
H
Verify Sector Protection (2)
L
L
H
L
H
L
VID
Code
H
Temporary Sector Unprotection
X
X
X
X
X
X
X
X
VID
Reset (Hardware)/Standby
X
X
X
X
X
X
X HIGH-Z
L
Table 3 MBM29F800TA/BA User Bus Operation (BYTE = VIL)
Operation
CE
OE
WE
DQ15
/A-1
A0
A1
A6
A9 DQ0 to DQ7 RESET
Auto-Select Manufacturer Code (1)
L L H L L L L VID
Code
H
Auto-Select Device Code (1)
L
LHLHL
L VID
Code
H
Read (3)
L
L
H A-1 A0 A1 A6 A9
DOUT
H
Standby
H X X X X X X X HIGH-Z
H
Output Disable
L H H X X X X X HIGH-Z
H
Write (Program/Erase)
L
H
L
A-1 A0
A1
A6
A9
DIN
H
Enable Sector Protection (2)
L VID
X X H L VID
X
H
Verify Sector Protection (2)
L
LHL
L
H
L VID
Code
H
Temporary Sector Unprotection
XXXXXXXX
X
VID
Reset (Hardware)/Standby
X X X X X X X X HIGH-Z
L
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.
8
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