5-6 fast and ls ttl data quad 2-input nor gate 14 13 12 11 10 9 1 2 3 4 5 6 v cc 8 7 gnd guaranteed operating ranges symbol parameter min typ max unit v cc supply voltage 54 74 4.5 4.75 5.0 5.0 5.5 5.25 v t a operating ambient temperature range 54 74 55 0 25 25 125 70 c i oh output current e high 54, 74 0.4 ma i ol output current e low 54 74 4.0 8.0 ma sn54/74ls02 quad 2-input nor gate low power schottky j suffix ceramic case 632-08 n suffix plastic case 646-06 14 1 14 1 ordering information sn54lsxxj ceramic sn74lsxxn plastic sn74lsxxd soic 14 1 d suffix soic case 751a-02
5-7 fast and ls ttl data sn54/74ls02 dc characteristics over operating temperature range (unless otherwise specified) symbol parameter limits unit test conditions symbol parameter min typ max unit test conditions v ih input high voltage 2.0 v guaranteed input high voltage for all inputs v il input low voltage 54 0.7 v guaranteed input low voltage for all inputs v il input low voltage 74 0.8 v guaranteed input low voltage for all inputs v ik input clamp diode voltage 0.65 1.5 v v cc = min, i in = 18 ma v oh output high voltage 54 2.5 3.5 v v cc = min, i oh = max, v in = v ih or v il per truth table v oh output high voltage 74 2.7 3.5 v v cc = min, i oh = max, v in = v ih or v il per truth table v ol output low voltage 54, 74 0.25 0.4 v i ol = 4.0 ma v cc = v cc min, v in = v il or v ih per truth table v ol output low voltage 74 0.35 0.5 v i ol = 8.0 ma v in = v il or v ih per truth table i ih input high current 20 m a v cc = max, v in = 2.7 v i ih input high current 0.1 ma v cc = max, v in = 7.0 v i il input low current 0.4 ma v cc = max, v in = 0.4 v i os short circuit current (note 1) 20 100 ma v cc = max i cc power supply current total, output high 3.2 ma v cc = max i cc total, output low 5.4 ma v cc = max note 1: not more than one output should be shorted at a time, nor for more than 1 second. ac characteristics (t a = 25 c) symbol parameter limits unit test conditions symbol parameter min typ max unit test conditions t plh turn-off delay, input to output 10 15 ns v cc = 5.0 v c l = 15 pf t phl turn-on delay, input to output 10 15 ns v cc = 5.0 v c l = 15 pf
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