W24257
TRUTH TABLE
#CS
H
L
L
L
#OE
X
H
L
X
#WE
X
H
H
L
MODE
Not Selected
Output Disable
Read
Write
I/O1−I/O8
High Z
High Z
Data Out
Data In
V
DD
CURRENT
I
SB
, I
SB
1
I
DD
I
DD
I
DD
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
Supply Voltage to V
SS
Potential
Input/Output to V
SS
Potential
Allowable Power Dissipation
Storage Temperature
Operating Temperature
RATING
-0.5 to +7.0
-0.5 to V
DD
+0.5
1.0
-65 to +150
0 to +70
UNIT
V
V
W
°C
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability
of the device.
Operating Characteristics
(V
DD
= 5V
±10%,
V
SS
= 0V, T
A
= 0 to 70° C for LL/L; -20 to 85° C for LE)
PARAMETER
Input Low Voltage
Input High Voltage
Input Leakage Current
Output Leakage
Current
Output Low Voltage
Output High Voltage
Operating Power
Supply Current
Standby Power
Supply Current
SYM.
V
IL
V
IH
I
LI
I
LO
TEST CONDITIONS
-
-
V
IN
= V
SS
to V
DD
V
I/O
= V
SS
to V
DD,
#CS = V
IH
(min.) or #OE = V
IH
(min.) or
#WE = V
IL
(max.)
I
OL
= +4.0 mA
I
OH
= -1.0 mA
#CS = V
IL
(min.),
I/O = 0 mA Cycle = min.,
Duty = 100%
#CS = V
IH
(min.)
Cycle = min., Duty = 100%
#CS
≥
V
DD
-0.2V
LL/LE
L
MIN.
-0.5
+2.2
-2
-2
TYP.
-
-
-
-
MAX.
+0.8
V
DD
+0.5
+2
+2
UNIT
V
V
µA
µA
V
OL
V
OH
I
DD
-
2.4
-
-
-
-
0.4
-
70
V
V
mA
I
SB
I
SB1
-
-
-
-
-
-
3
15
30
mA
µA
µA
Note: Typical characteristics are at V
DD
= 5V, T
A
= 25° C.
-2-
WINBOND [ WINBOND ]
