WCMA2016U4B
Typical DC and AC Parameters
(Typical values are included for reference only and are not guaranteed or tested. Typical values are measured at V
CC
= V
CC (typ.)
, T
A
= 25°C)
Operating Current vs. Supply Voltage
14.0
12.0
I
CC
(mA)
Standby Current vs. Supply Voltage
12.0
10.0
I
SB (µA)
8.0
Access Time vs. Supply Voltage
60
50
40
T
AA (ns )
30
20
10
0
10.0
8.0
6.0
(f = f
max
)
6.0
4.0
4.0
2.0
(f = 1 MHz)
0.0
3.0
2.7
3.3
SUPPLY VOLTAGE (V)
2.0
0
2.7
3.0
3.3
SUPPLY VOLTAGE (V)
2.7
3.0
3.3
SUPPLY VOLTAGE (V)
Truth Table
CE
H
X
L
L
L
L
L
L
L
L
L
WE
X
X
H
H
H
H
H
H
L
L
L
OE
X
X
L
L
L
H
H
H
X
X
X
BHE
X
H
L
H
L
L
H
L
L
H
L
BLE
X
H
L
L
H
L
L
H
L
L
H
Inputs/Outputs
High Z
High Z
Data Out (I/O
O
–I/O
1 5
)
Data Out (I/O
O
–I/O
7
);
I/O
8
–I/O
15
in High Z
Data Out (I/O
8
–I/O
15
);
I/O
0
–I/O
7
in High Z
High Z
High Z
High Z
Data In (I/O
O
–I/O
15
)
Data In (I/O
O
–I/O
7
);
I/O
8
–I/O
15
in High Z
Data In (I/O
8
–I/O
15
);
I/O
0
–I/O
7
in High Z
Mode
Deselect/Power-Down
Deselect/Power-Down
Read
Read
Read
Output Disabled
Output Disabled
Output Disabled
Write
Write
Write
Power
Standby (I
SB
)
Standby (I
SB
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
9
WEIDA [ WEIDA SEMICONDUCTOR, INC. ]
