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ITT - Index of

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<strong>ITT</strong>54H53, <strong>ITT</strong>54H54, <strong>ITT</strong>74H53, <strong>ITT</strong>74H54<br />

EXPANDABLE 2-2-2-3-INPUT AND-OR-INVERT GATES<br />

ELECTRICAL CHARACTERISTICS (<strong>ITT</strong>54H53 circuits only) using expander inputs.<br />

Vee = 4.5V. TA = -55°e<br />

Parameter Min Typ' Max Unit Test Conditions 2<br />

linX Expander-node input current -5.B5 mA Vx= 1.4V<br />

VBE(Q) Base-emitter voltage <strong>of</strong> output 1.1 V Isink = 20mA. 11 = 700uA.<br />

transistor Q R1 = 0<br />

Vout(1 ) Logical 1 output voltage 2.4 V Iload = -500uA.1 1 =<br />

320uA.<br />

12 = -320uA<br />

Vout(O) Logical 0 output voltage 0.4 V Isink = 20mA.1 1 = 470uA.<br />

R1 = 6Bn<br />

ELECTRICAL CHARACTERISTICS (<strong>ITT</strong>74H53 circuits only) using expander inputs.<br />

Vee = 4.75V. TA = ooe<br />

Parameter Min Typ Max Unit Test Conditions<br />

linX Expander-node input current -6.3 mA Vx = 1.4V<br />

VBE(Q) Base-emitter voltage <strong>of</strong> output 1 V Isink =·20mA.1 1 = 1.1mA.<br />

transistor Q R1 = 0<br />

Vout(1) Logical 1 output voltage 2.4 V Iload = -500uA. 11 =<br />

570uA.<br />

12 = -570uA<br />

Vout(O) Logical 0 output voltage 0.4 V Isink = 20mA •.I 1 = 600uA.<br />

Rt = 63..n.<br />

SWITCHING CHARACTERISTICS. Vee = 5V. TA = 25°e. N = 10. expander pins are open<br />

Parameter Min Typ Max Unit<br />

tpdO Propagatio'l delay time to logical 6.2 11 ns<br />

o level<br />

tpd1 Propagation delay time to logical 7 11 ns<br />

1 level<br />

Test Conditions<br />

CL = 25 pF. RL = 2BOn<br />

CL = 25 pF. RL = 2BOn<br />

SWITCHI NG CHARACTER ISTICS. (<strong>ITT</strong>54H 53/1TT7 4H53 circuits only)<br />

Vee = 5V.TA = 25°e.N = 10.eX = 15pF<br />

Parameter Min Typ Max Unit<br />

tpdO Propagation delay time to logical 7.4 ns<br />

o level<br />

tpd ,. Propagation delay time to logical 11.4 ns<br />

1 level<br />

Test Conditions<br />

CL = 25 pF. RL = 2Bon<br />

CL = 25 pF. RL = 2BOn

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