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CD74HCT04 Scheda tecnica(PDF) 5 Page - Texas Instruments |
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CD74HCT04 Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 6 page 5 Transition Times (Figure 1) tTLH, tTHL CL = 50pF 2 - - 75 - 95 18 110 ns 4.5 - - 15 - 19 - 22 ns 6 - - 13 - 16 - 19 ns Input Capacitance CI - - - - 10 - 10 - 10 pF Power Dissipation Capacitance (Notes 3, 4) CPD - 5 - 21 - ---- pF HCT TYPES Propagation Delay, Input to Output (Figure 2) tPLH, tPHL CL = 50pF 4.5 - - 19 - 24 - 29 ns Propagation Delay, Data Input to Output Y tPLH, tPHL CL = 15pF 5 - 7 - ---- ns Transition Times (Figure 2) tTLH, tTHL CL = 50pF 4.5 - - 15 - 19 - 22 ns Input Capacitance CI - - - - 10 - 10 - 10 pF Power Dissipation Capacitance (Notes 3, 4) CPD - 5 - 24 - ---- pF NOTES: 3. CPD is used to determine the dynamic power consumption, per gate. 4. PD = VCC 2 f i (CPD + CL) where fi = input frequency, CL = output load capacitance, VCC = supply voltage. Switching Specifications Input tr, tf = 6ns (Continued) PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oCTO125oC UNITS MIN TYP MAX MIN MAX MIN MAX Test Circuits and Waveforms FIGURE 1. HC TRANSITION TIMES AND PROPAGATION DELAY TIMES, COMBINATION LOGIC FIGURE 2. HCT 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% tPHL tPLH tTHL tTLH 2.7V 1.3V 0.3V 1.3V 10% INVERTING OUTPUT INPUT GND 3V tr = 6ns tf = 6ns 90% CD54HC04, CD54HCT04, CD74HC04, CD74HCT04 |
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