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CD74HC02 Datasheet(PDF) 5 Page - Texas Instruments |
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CD74HC02 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 6 page ![]() 5 Power Dissipation Capacitance (Notes 4, 5) CPD -5 - 26 - - - - - pF HCT TYPES Propagation Delay, Input to Output (Figure 2) tPLH, tPHL CL = 50pF 4.5 - - 21 - 26 - 32 ns Propagation Delay, Data Input to Output Y tPLH, tPHL CL = 15pF 5 - 8 - - - - - ns Transition Times (Figure 2) tTLH, tTHL CL = 50pF 4.5 - - 15 - 19 - 22 ns Input Capacitance CIN - - - - 10 - 10 - 10 pF Power Dissipation Capacitance (Notes 4, 5) CPD -5 - 26 - - - - - pF NOTES: 4. CPD is used to determine the dynamic power consumption, per gate. 5. 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 -55oC TO 125oC UNITS MIN TYP MAX MIN MAX MIN MAX Test Circuits and Waveforms FIGURE 1. HC AND HCU TRANSITION TIMES AND PROPAGA- TION 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% CD74HC02, CD74HCT02 |