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CD74HC4002EE4 데이터시트(PDF) 4 Page - Texas Instruments |
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CD74HC4002EE4 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 12 page 4 Switching Specifications Input tr, tf = 6ns PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS TYP MAX MAX MAX HC TYPES Propagation Delay, nA, nB, nC, nD to nY tPLH, tPHL CL = 50pF 2 - 100 125 150 ns 4.5 - 20 25 30 ns 6 - 17 21 26 ns CL = 15pF 5 8 - - - ns Output Transition Times (Figure 1) tTLH, tTHL CL = 50pF 2 - 75 95 110 ns 4.5 - 15 19 22 ns 6 - 13 16 19 ns Input Capacitance CIN -- - 10 10 10 pF Power Dissipation Capacitance (Notes 2, 3) CPD CL = 15pF 5 22 - - - pF NOTES: 2. CPD is used to determine the dynamic power consumption, per gate. 3. PD = VCC 2 f i (CPD + CL) where fi = Input Frequency, CL = Output Load Capacitance, VCC = Supply Voltage. Test Circuit and Waveform FIGURE 1. HC AND HCU TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC tPHL tPLH tTHL tTLH 90% 50% 10% 50% 10% INVERTING OUTPUT INPUT GND VCC tr = 6ns tf = 6ns 90% CD54HC4002, CD74HC4002 |
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