Owner manual

W24257
- 2 -
TRUTH TABLE
CS
OE
WE
MODE
I/O1−I/O8
VDD CURRENT
H X X Not Selected High Z ISB, ISB1
L H H Output Disable High Z IDD
L L H Read Data Out IDD
L X L Write Data In IDD
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 +70
°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 MIN. TYP. MAX. UNIT
Input Low Voltage VIL - -0.5 - +0.8 V
Input High Voltage VIH - +2.2 - VDD +0.5 V
Input Leakage Current ILI VIN = VSS to VDD -2 - +2
µA
Output Leakage
Current
ILO
VI/O = VSS to VDD,
CS
= VIH
(min.) or
OE
= VIH (min.) or
WE
= VIL (max.)
-2 - + 2
µA
Output Low Voltage VOL IOL = +4.0 mA - - 0.4 V
Output High Voltage VOH IOH = -1.0 mA 2.4 - - V
Operating Power
IDD
CS
= VIL (min.),
I/O = 0 mA
70 - - 80 mA
Supply Current
Cycle = min.,
Duty = 100%
100 - - 70 mA
Standby Power
Supply Current
ISB
CS
= VIH (min.)
Cycle = min., Duty = 100%
- - 3 mA
ISB1
CS
≥ VDD -0.2V
LL - - 50
µA
L - - 100
µA
Note: Typical characteristics are at VDD = 5V, TA = 25° C.