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White Microelectronics • Phoenix, AZ • (602) 437-1520
WS128K48-XG4WX
TRUTH TABLEABSOLUTE MAXIMUM RATINGS
Parameter Symbol Min Max Unit
Operating Temperature T
A -55 +125 °C
Storage Temperature T
STG -65 +150 °C
Signal Voltage Relative to GND V
G -0.5 Vcc+0.5 V
Junction Temperature T
J 150 °C
Supply Voltage V
CC -0.5 7.0 V
CS OE WE Mode Data I/O Power
H X X Standby High Z Standby
L L H Read Data Out Active
L X L Write Data In Active
L H H Out Disable High Z Active
RECOMMENDED OPERATING CONDITIONS
Parameter Symbol Min Max Unit
Supply Voltage V
CC 4.5 5.5 V
Input High Voltage V
IH 2.2 VCC + 0.3 V
Input Low Voltage V
IL -0.3 +0.8 V
Operating Temp. (Mil.) T
A -55 +125 °C
DC CHARACTERISTICS
(VCC = 5.0V, TA = -55°C to +125°C)
I
Current Source
D.U.T.
C = 50 pf
eff
I
OL
V ≈ 1.5V
(Bipolar Supply)
Z
Current Source
OH
NOTES:
V
Z is programmable from -2V to +7V.
I
OL & IOH programmable from 0 to 16mA.
Tester Impedance Z
0 = 75 Ω.
V
Z is typically the midpoint of VOH and VOL.
I
OL & IOH
are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
AC TEST CIRCUIT
AC TEST CONDITIONS
Parameter Typ Unit
Input Pulse Levels VIL = 0, VIH = 3.0 V
Input Rise and Fall 5 ns
Input and Output Reference Level 1.5 V
Output Timing Reference Level 1.5 V
Parameter Sym Conditions -17 -20 -25 -35 Units
Min Max Min Max Min Max Min Max
Input Leakage Current ILI VCC = 5.5, VIN = GND to VCC 10 10 10 10 µA
Output Leakage Current ILO CS = VIH, OE = VIH, VOUT = GND to VCC 10 10 10 10 µA
Operating Supply Current ICC CS = VIL, OE = VIH, f = 5MHz, Vcc = 5.5 720 720 720 720 mA
Standby Current ISB CS = VIH, OE = VIH, f = 5MHz, Vcc = 5.5 120 120 90 90 mA
Output Low Voltage VOL IOL = 8mA, VCC = 4.5 0.4 0.4 0.4 0.4 V
Output High Voltage V
OH IOH = -4.0mA, VCC = 4.5 2.4 2.4 2.4 2.4 V
NOTE: DC test conditions: V
IH = VCC -0.3V, VIL = 0.3V
CAPACITANCE
(T
A = +25°C)
Parameter
Symbol
Conditions Max Unit
OE capacitance COE
VIN = 0 V, f = 1.0 MHz
100 pF
WE capacitance CWE
VIN = 0 V, f = 1.0 MHz
20 pF
CS capacitance CCS
VIN = 0 V, f = 1.0 MHz
20 pF
Data I/O capacitance CI/O
V
I/O
= 0 V, f = 1.0 MHz
20 pF
Address input capacitance C
AD
V
IN
= 0 V, f = 1.0 MHz
100 pF
This parameter is guaranteed by design but not tested.