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U74HC21 Datasheet(PDF) 2 Page - Unisonic Technologies |
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U74HC21 Datasheet(HTML) 2 Page - Unisonic Technologies |
2 / 5 page U74HC21 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 2 of 5 www.unisonic.com.tw QW-R502-632.D PIN CONFIGURATION 1A 1B NC 1C 1D 1Y GND VCC 2D 2C NC 2B 2A 2Y 1 2 3 4 5 6 7 14 13 12 11 10 9 8 FUNCTION TABLE INPUT(A) INPUT(B) INPUT(C) INPUT(D) OUTPUT(Y) H H H H H L X X X L X L X X L X X L X L X X X L L LOGIC DIAGRAM |
Similar Part No. - U74HC21_15 |
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Similar Description - U74HC21_15 |
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