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U74AHC1G79G-AE5-R 数据表(PDF) 4 Page - Unisonic Technologies |
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U74AHC1G79G-AE5-R 数据表(HTML) 4 Page - Unisonic Technologies |
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4 / 5 page ![]() U74AHC1G79 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 4 of 5 www.unisonic.com.tw QW-R126-028.A SWITCHING CHARACTERISTICS (GND=0V, tr = tf ≤ 3.0ns, TA =25°C , unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT maximum clock pulse frequency fMax VCC=4.5V ~ 5.5V 90 MHz VCC=3.0V ~ 3.6V 4.9 8.4 ns CL=15pF VCC=4.5V ~ 5.5V 3.5 5.6 ns VCC=3.0V ~ 3.6V 6.9 12 ns Propagation delay from input (CP) to output (Q) tPLH / tPHL CL=50pF VCC=4.5V ~ 5.5V 5.1 8 ns TIMING REQUIREMENTS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT clock pulse width High or Low tw VCC=4.5V ~ 5.5V 3.0 ns set-up time D to CP tsu VCC=4.5V ~ 5.5V 3.0 1.0 ns hold time D to CP th VCC=4.5V ~ 5.5V 2.0 1.0 ns OPERATING CHARACTERISTICS (TA =25°C , unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Power Dissipation Capacitance CPD CL=50pF, f=1MHz 15 pF |
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