MBM29LV008BA-12 データシートの表示（PDF） - Fujitsu
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MBM29LV008BA-12 Datasheet PDF : 51 Pages
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MBM29LV008TA-70/-90/-12/MBM29LV008BA-70/-90/-12
s LOGIC SYMBOL
20
A0 to A19
8
DQ 0 to DQ 7
CE
OE
WE
RESET
RY/BY
Table 1 MBM29LV008TA/008BA Pin Configuration
Pin
Function
A0 to A19
Address Inputs
DQ0 to DQ7 Data Inputs/Outputs
CE
Chip Enable
OE
Output Enable
WE
Write Enable
RY/BY
Ready/Busy Output
RESET
Hardware Reset Pin/Temporary Sector
Unprotection
N.C.
No Internal Connection
VSS
Device Ground
VCC
Device Power Supply
Table 2 MBM29LV008TA/008BA User Bus Operations
Operation
CE OE WE A0 A1 A6 A9
A10
Auto-Select Manufacturer Code (1) L L H L L L VID
L
Auto-Select Device Code (1)
L L H H L L VID
L
Read (3)
L
L
H A0 A1 A6 A9
A10
Standby
HXXXXXX
X
Output Disable
L HHX X X X
X
Write (Program/Erase)
L
H
L
A0 A1 A6 A9
A10
Enable Sector Protection (2), (4)
L VID
L
H
L VID
X
Verify Sector Protection (2), (4)
L L H L H L VID
L
Temporary Sector Unprotection (5) X X X X X X X
X
Reset (Hardware)/Standby
XXXXXXX
X
DQ0 to DQ7 RESET
Code
H
Code
H
DOUT
H
HIGH-Z H
HIGH-Z H
DIN
H
X
H
Code
H
X
VID
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 6.
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.
7
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