W24257AJ-8N Datasheet, PDF (2/8 Pages) Winbond – 32K X 8 High Speed CMOS Static RAM

W24257AJ-8N
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
RATING
UNIT
Supply Voltage to VSS Potential
-0.5 to +7.0
V
Input/Output to VSS Potential
-0.5 to VDD +0.5
V
Allowable Power Dissipation
1.0
W
Storage Temperature
-65 to +150
°C
Operating Temperature
0 to +55
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
TRUTH TABLE
CS
OE
WE
H
X
X
L
H
H
L
L
H
L
X
L
MODE
Not Selected
Output Disable
Read
Write
I/O1−I/O8
High Z
High Z
Data Out
Data In
VDD CURRENT
ISB, ISB1
IDD
IDD
IDD
OPERATING CHARACTERISTICS
(VDD = 5V ±5%, VSS = 0V, TA = 0 to 55° C)
PARAMETER
SYM.
TEST CONDITIONS
Input Low Voltage
VIL
-
Input High Voltage
VIH
-
Input Leakage Current ILI VIN = VSS to VDD
Output Leakage
Current
ILO _{VI/O = VSS to VDD, CS = VIH}
or OE = VIH or WE = VIL
Output Low Voltage
VOL IOL = +8.0 mA
Output High Voltage
VOH IOH = -4.0 mA
Operating Power
Supply Current
IDD _{CS = VIL, I/O = 0 mA,}
Cycle = Min., Duty = 100%
Standby Power Supply ISB _{CS = VIH}
Current
Cycle = Min., Duty = 100%
ISB1 _{CS ≥ VDD -0.2V}
Note: Typical characteristics are at VDD = 5V, TA = 25° C.
MIN.
-0.5
+2.2
TYP.
-
-
-10
-
-10
-
MAX.
+0.8
VDD
+0.5
+10
+10
-
-
0.4
2.4 -
-
180
-
-
30
-
-
10
UNIT
V
V
µA
µA
V
V
mA
mA
mA
-2-