MBM29LV008TA
-70/-90/-12
/MBM29LV008BA
-70/-90/-12
s
LOGIC SYMBOL
Table 1
Pin
A
0
to A
19
20
A
0
to A
19
DQ
0
to DQ
7
8
MBM29LV008TA/008BA Pin Configuration
Function
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Write Enable
Ready/Busy Output
Hardware Reset Pin/Temporary Sector
Unprotection
No Internal Connection
Device Ground
Device Power Supply
DQ
0
to DQ
7
CE
OE
CE
OE
WE
RESET
RY/BY
WE
RY/BY
RESET
N.C.
V
SS
V
CC
Table 2
MBM29LV008TA/008BA User Bus Operations
CE
L
L
L
H
L
L
L
L
X
X
OE
L
L
L
X
H
H
V
ID
L
X
X
H
X
X
WE
H
H
H
X
H
L
A
0
L
H
A
0
X
X
A
0
L
L
X
X
A
1
L
L
A
1
X
X
A
1
H
H
X
X
A
6
L
L
A
6
X
X
A
6
L
L
X
X
A
9
V
ID
V
ID
A
9
X
X
A
9
V
ID
V
ID
X
X
A
10
L
L
A
10
X
X
A
10
X
L
X
X
DQ
0
to DQ
7
RESET
Operation
Auto-Select Manufacturer Code (1)
Auto-Select Device Code (1)
Read (3)
Standby
Output Disable
Write (Program/Erase)
Enable Sector Protection (2), (4)
Verify Sector Protection (2), (4)
Temporary Sector Unprotection (5)
Reset (Hardware)/Standby
Code
Code
D
OUT
HIGH-Z
HIGH-Z
D
IN
X
Code
X
HIGH-Z
H
H
H
H
H
H
H
H
V
ID
L
Legend:
L = V
IL
, H = V
IH
, X = V
IL
or V
IH
,
= 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 V
IL
if OE is V
IL
, OE at V
IH
initiates the write operations.
4. V
CC
= 3.3 V ± 10%
5. It is also used for the extended sector protection.
7