W26020A Datasheet, PDF (2/10 Pages) Winbond – 128K X 16 High Speed CMOS Static RAM

W26020A
TRUTH TABLE
CS OE WE LB UB
MODE
H X X X X Not Selected
L H H X X Output Disable
L L H L L 2 Bytes Read
L L H L H Lower Byte Read
L L H H L Upper Byte Read
L X L L L 2 Bytes Write
L X L L H Lower Byte Write
L X L H L Upper Byte Write
L X X H H Output Disable
I/O1−I/O8
High Z
High Z
DOUT
DOUT
High Z
DIN
DIN
High Z
High Z
I/O9−I/O16
High Z
High Z
DOUT
High Z
DOUT
DIN
High Z
DIN
High Z
VDD
CURRENT
ISB, ISB1
IDD
IDD
IDD
IDD
IDD
IDD
IDD
IDD
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
Supply Voltage to VSS Potential
Input/Output to VSS Potential
Allowable Power Dissipation
Storage Temperature
Operating Temperature
RATING
-0.5 to +7.0
-0.5 to VDD +0.5
1.5
-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
(VDD = 5V ±10%, VSS = 0V, TA = 0 to 70° 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
Output Pins in High Z,
See Truth Table
Output Low Voltage
VOL IOL = +8.0 mA
Output High Voltage VOH IOH = -4.0 mA
MIN.
-0.5
+2.2
-10
-10
TYP.
-
-
-
-
MAX.
+0.8
VDD +0.5
+10
+10
UNIT
V
V
µA
µA
-
-
0.4
V
2.4 -
-
V
-2-