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U74HCT574G-R20-T Datasheet(PDF) 4 Page - Unisonic Technologies |
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U74HCT574G-R20-T Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 5 page U74HCT574 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 4 of 5 www.unisonic.com.tw QW-R502-653.A TIMING REQUIREMENTS(TA=25°С, CL=50pF,unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Pulse duration, LE high tW VCC=4.5V 16 7 ns Setup Time, data before LE↓ tSU VCC=4.5V 12 3 ns Hold Time, data after LE↓ tH VCC=4.5V 5 -1 ns DYNAMIC CHARACTERISTICS(TA=25°С, CL=50pF,RL=1kΩ,unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Propagation delay from input (CP) to output ( Q ) tPD (tPLH/tPHL) VCC=4.5V 18 33 ns 3-state output enable time from input ( OE ) to output ( Q ) tEN (tPZL/tPZH) VCC=4.5V 19 33 ns 3-state output disable time from input ( OE ) to output ( Q ) tDIS (tPLZ/tPHZ) VCC=4.5V 16 28 ns Output transition time, ( Q ) tT (tR/tF) VCC=4.5V 5 12 ns OPERATING CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS RATINGS UNIT Power Dissipation Capacitance CPD No load 50 pF |
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