ITT - Index of

ITT5490, ITT7490
DECADE COUNTERS
ELECTRICAL CHARACTERISTICS over recommended operating free-air temperature range
(unless otherwise noted)
Parameter Min Typ' Max Unit Test Conditions 2
Vin(1) Input voltage required to ensure 2 V
logical 1 at any input terminal
Vin(O) Input voltage required to ensure 0.8 V
logical 0 atany input terminal
VI Input Clamp Voltage -1.5 V Vee = Min Ii = -12 rnA
Vout(1) Logical 1 output voltage 2.4 V Vee = MIN.
Iload = -400 uA
Vout(O) Logical 0 output voltage 0.4 V Vee = MIN.
Isink = 16 rnA
lin(l ) Logical 1 level input current at 40 J.1A Vee == MAX. Vin = 2.4V
RO( 1)' RO(2)i R9( 1)' or R9(2) 1 rnA Vee = MAX. Vin = 5.5V
lin(l ) Logical 1 level input current at 80 uA Vee = MAX. Vin = 2.4V
input A
1 rnA Vee = MAX. Vin = 5.5V
lin(l ) Logical 1 level input current at 160 J.1A Vee ~ MAX. Vin = 2.4V
input BO
1 rnA Vee = MAX. Vin = 5.5V
lin(O) Logical 0 level input current at -1.6 rnA Vee = MAX. Vin = O.4V
RO( 1)' RO(2)' R9( 1)' or R9(2)
lin(O) Logical 0 level input current at -3.2 rnA Vee = MAX. Vin = 0.4V
input A
lin(O) Logical 0 level input current at -6.4 rnA Vee = MAX. Vin = O.4V
input BO
lOS Short-circuit output current 3 -20 -57 rnA Vce = MAX, IlT5490
-18 -57 rnA IlT7490
Ice Supply current 32 46 rnA Vee = MAX IlT5490
32 53 rnA IlT7490
, All typical values are atVee = 5V. TA = 25°e
2 For conditions shown as MIN or MAX. use the appropriate value specified under recommended operating conditions
for the particular circuit type.
3 Not more than one output should be shorted at a time.
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