Product Summary
The 74LS02 is an quadruple 2-input positive NOR gate.
Parametrics
74LS02 absolute maximum ratings: (1)input voltage, VIN: 2.0V; VIL: 0.8V; (2)output voltage, VON: 2.7V; VOL: 0.5V; (3)input current, IIN: 20μA; IIL: -0.4mA; Ii: 0.1mA; (4)short-circuit output current, IOS: -20 to -100mA; (5)supply current, ICCN: 1.6mA typ; 5.4mA max; ICCL: 2.8mA typ; 5.4mA max; (6)input clamp voltage, VIK: -1.5V.
Features
74LS02 features: (1)propagation delay time, tPLH: 10ns typ; 15ns max; tPHL: 10ns typ; 15ns max.
Diagrams

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![]() 74LS00 |
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![]() 74LS00N |
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![]() 74LS01 |
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![]() 74LS03 |
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![]() 74LS05 |
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![]() Negotiable |
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![]() 74LS08 |
![]() Other |
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![]() Negotiable |
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(China (Mainland))








