MBM29LV008TA-70/-90/-12/MBM29LV008BA-70/-90/-12
■ LOGIC SYMBOL
Table 1 MBM29LV008TA/008BA Pin Configuration
Pin
A0 to A19
DQ0 to DQ7
CE
Function
Address Inputs
Data Inputs/Outputs
Chip Enable
20
A0 to A19
8
DQ 0 to DQ 7
OE
Output Enable
CE
WE
Write Enable
OE
RY/BY
Ready/Busy Output
WE
RESET
RY/BY
Hardware Reset Pin/Temporary Sector
Unprotection
RESET
N.C.
VSS
No Internal Connection
Device Ground
VCC
Device Power Supply
Table 2 MBM29LV008TA/008BA User Bus Operations
DQ0 to DQ7
Code
Code
DOUT
Operation
CE OE WE
A0
L
A1
L
A6
L
A9
VID
VID
A9
X
A10
L
RESET
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
H
H
H
H
H
H
H
H
VID
L
H
A0
X
L
L
L
L
A1
X
A6
X
X
A6
L
A10
X
Standby
X
H
H
VID
L
HIGH-Z
HIGH-Z
DIN
Output Disable
X
X
X
X
Write (Program/Erase)
Enable Sector Protection (2), (4)
Verify Sector Protection (2), (4)
Temporary Sector Unprotection (5)
Reset (Hardware)/Standby
A0
L
A1
H
H
X
A9
VID
VID
X
A10
X
X
H
X
X
L
L
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.
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
FUJITSU [ FUJITSU ]
