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74HC02 pdf datasheet

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  • 标      签: 74hc

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These NOR gates uTIlize advanced silicon-gate CMOS technologyto achieve operaTIng speeds similar to LS-TTL gateswith the low power consumpTIon of standard CMOS integratedcircuits. All gates have buffered outputs, providinghigh noise immunity and the ability to drive 10 LS-TTL loads.The 54HC/74HC logic family is funcTIonally as well as pinoutcompatible with the standard 54LS/74LS logic family.All inputs are protected from damage due to static dischargeby internal diode clamps to VCC and ground.FeaturesY Typical propagation delay: 8 nsY Wide power supply range: 2±6VY Low quiescent supply current: 20 mA maximum(74HC Series)Y Low input current: 1 mA maximumY High output current: 4 mA minimum
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