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U74HC4049L-S16-R 数据表(PDF) 4 Page - Unisonic Technologies |
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U74HC4049L-S16-R 数据表(HTML) 4 Page - Unisonic Technologies |
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4 / 6 page ![]() U74HC4049 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 4 of 6 www.unisonic.com.tw QW-R502-890.A SWITCHING CHARACTERISTICS (TA=25°С, Input tR/tF =6ns) See Fig. 1 and Fig. 2 for test circuit and waveforms. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Propagation delay from input ( nA ) to output( n Y ) tPD VCC=2.0V, CL=50pF 28 85 ns VCC=4.5V, CL=50pF 10 17 ns VCC=5.0V, CL=15pF 8 ns VCC=6.0V, CL=50pF 8 14 ns Output transition time (n Y ) tt VCC=2.0V, CL=50pF 19 75 ns VCC=4.5V, CL=50pF 7 15 ns VCC=6.0V, CL=50pF 6 13 ns OPERATING CHARACTERISTICS (TA=25°С) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Power Dissipation Capacitance CPD VIN= GND to VCC, f=1MHZ, CL=50pF 14 pF |
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