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SN74HC02DB Datasheet(PDF) 8 Page - Texas Instruments |
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SN74HC02DB Datasheet(HTML) 8 Page - Texas Instruments |
8 / 29 page 1Y 1A 1B 2Y 2A 2B GND 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VCC 4Y 4B 4A 3Y 3B 3A Copyright © 2016, Texas Instruments Incorporated 8 SN54HC02, SN74HC02 SCLS076F – DECEMBER 1982 – REVISED APRIL 2015 www.ti.com Product Folder Links: SN54HC02 SN74HC02 Submit Documentation Feedback Copyright © 1982–2015, Texas Instruments Incorporated 8 Detailed Description 8.1 Overview The SNx4HC02 devices are quad 2-input NOR gates. These devices are members of the High-Speed CMOS (HC) logic family. The HC family of logic is optimized to operate with a 5-V supply, is low noise without characteristic overshoot and undershoot, has low power consumption, small propagation delay, balanced propagation delay and transition times, and operates over a wide temperature range. 8.2 Functional Block Diagram 8.3 Feature Description 8.3.1 Operating Voltage Range The SNx4HC series of devices offer a wide operating voltage range from 2 V to 6 V. 8.3.2 LSTTL Loads The outputs of the SNx4HC series can drive up to 10 LSTTL loads. 8.3.3 Low Power Consumption The SNx4HC02 offers low power consumption of 20 μA maximum. 8.3.4 Output Drive Capability At 5 V, the outputs have ±4 mA of output drive capability. 8.3.5 Low Input Current Leakage Inputs have low input current leakage of 1 μA maximum. 8.4 Device Functional Modes Table 1 lists the functional modes of the SNx4HC02. Table 1. Function Table INPUTS OUTPUT Y A B H X L X H L L L H |
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