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U74LVC257G-S16-R 数据表(PDF) 2 Page - Unisonic Technologies |
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U74LVC257G-S16-R 数据表(HTML) 2 Page - Unisonic Technologies |
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2 / 6 page ![]() U74LVC257 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 2 of 6 www.unisonic.com.tw QW-R126-034.A PIN CONFIGURATION FUNCTION TABLE (each gate) INPUTS INPUT( OE ) INPUT( A/ B ) A B OUTPUT(Y) H X X X Z L L L X L L L H X H L H X L L L H X H H H = High voltage level;L = Low voltage level;X = Don’t care;Z = High-impedance OFF-state |
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