ITT - Index of

ITT54H50, ITT54:H51, ITT74H50, ITT74H51
DUAL 2-WIDE 2-IN PUT AND-OR-INVERT GATES
ELECTRICAL CHARACTERISTICS (lTT54H50 c;itcuits only) using expander inputs.
Vee = 4.5V. T A = -55°e
Parameter Min Typ 1 Max Unit Test Conditions 2
linX Expander-node input current -5.85 rnA Vy:= l.4V
VBE:O) Base-emitter voltage of output 1.1 V Isink = 20mA. 11 = 700uA.
transistor 0 Rl = 0
Vout(1) Logical 1 output voltage 2.4 V Iload = -500uA. 11 =
320uA.
12 == -320uA
Vout(O) Logical 0 output voltage 0.4 V Isink = 20mA.1 1 = 470uA.
Rl = 6an
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ELECTRICAL CHARACTERISTICS (lTT74H50circuits only) using expander inputs.
Vee = 4.75V. TA = ooe
Parameter Min Typ Max Unit Test Conditions
linX Expander-n,ode input current -6.3 rnA Vy:= l.4V
VBE(O) B,I5e-emitter voltage of output 1 V Isink = 20mA.11 = 1.lmA.
transistor 0 Rl = 0
Vout(1) Logical 1 output voltage 2.4 V Iload = -500uA.1 1 =
570uA.
li = -570uA
Vout(O) Logical 0 output voltage 0.4 V Isink = 20mA.1 1 = 600uA.
Rt = 63 n
SWITCHING CIiARACTERISTICS.Vee = 5V. T A = 25°e. N = 10. expander pins are open
Parameter Min Typ Max
Unit
Test Conditions
tpdO Propagation delay time to logical 6.2 11
o level
tpdl Propagation delay time to logical 6.8 11
1 level
ns
ns
CL = 25pF. RL = 280n
CL = 25 pF. RL = 280n
SWITCHING CHARACTERISTICS. (lTT54H50/ITT74H50circuitsonly)
Vee = 5V. TA = 25°C. N = 10. eX' = 15 pF
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Parameter Min Typ Max
tpdO Propagation delRY time to logical 7.4 ns
o level
tpdl Propagation delay time to looicai 11.4 ns
1 level
Unit
Test Conditions
CL = 25 pF. RL = 280 n
CL = 25 pF. RL = 280n
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