ITT - Index of

ITT54180,ITT74180
8-BIT ODD/EVEN PARITY GENERATORS/CHECKERS
recommended operating conditions
Min Nom Max Unit
Supply Voltage vee (See Note 1): ITT541S0 .................................................................. 4.5 5 5.5 V
ITT741S0 .................................................................. 4.75 5 5.25 V
Normalized Fan-Out from Each Output (N): Logical 0 .................................................... 10
Logical 1 .................................................... 20
ELECTRICAL CHARACTERISTICS over recommended operating free-air temperature range
(unless otherwise noted)
Parameter Min Typ' Max Unit Test Conditions 2
Vin(l ) Input voltage required to ensure 2 V
logical 1 at any input terminal
VirilO) Input voltage required to ensure O.S V
logical 0 at any input terminal
V1 Input Clamp Voltage -1.5 V Vee = MIN.Ii = -12mA
V out(l) Logical 1 output voltage 2.4 V Vee = MIN. Vin(l) = 2V.
Vin(O) = O.SV. Iload = SOOuA
Vout(O) Logical 0 output voltage 0.4 V Vee = MIN.Vin(1) = 2V.
Vin(O) = O.SV.lsink = 16mA
lin(1) Logical 1 level input current at 40 uA Vee = MAX. Vin = 2.4V
each data input
1 mA Vee = MAX. Vin = 5.5V
lin(O) Logical 0 level input current at -1.6 mA Vee = MAX. Vin = O.4V
each data input
lin(1) Logical 1 level input current at SO uA Vee = MAX. Vin = 2.4V
even or odd input
,
1 mA Vee = MAX. Vin = 5.5V
lin(O) Logical 0 level input current at -3.2 mA Vee = MAX. Vin = O.4V
even or odd input
lOS Short circuit output current 3 -20 -55 mA Vee = MAX ITT541SO
-lS -55 mA ITT741SO
lee Supply current 34 49 mA Vee = MAX ITT541SO
34 56 mA ITT741SO
, 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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