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CD54HCT139F3A データシート(PDF) 5 Page - Texas Instruments |
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CD54HCT139F3A データシート(HTML) 5 Page - Texas Instruments |
5 / 11 page 5 Output Transition Time (Figure 1) tTLH, tTHL CL = 50pF 2 - - 75 - 95 - 110 ns 4.5 - - 15 - 19 - 22 ns 6 - - 13 - 16 - 19 ns Power Dissipation Capacitance, (Notes 3, 4) CPD -5 - 55 - - - - - pF Input Capacitance CIN - - - - 10 - 10 - 10 pF HCT TYPES Propagation Delay A0, A1 to Outputs tPLH, tPHL CL = 50pF 4.5 - - 34 - 43 - 51 ns E to Outputs tPLH, tPHL CL = 50pF 4.5 - - 34 - 43 - 51 ns Select to Output tPLH, tPHL CL = 15pF 5 - 14 - - - - - ns Enable to Output tPLH, tPHL CL = 15pF 5 - 14 - - - - - ns Output Transition Time (Figure 2) tTLH, tTHL CL = 50pF 4.5 - - 15 - 19 - 22 ns Power Dissipation Capacitance, (Notes 3, 4) CPD -5 - 59 - - - - - pF Input Capacitance CIN - - - - 10 - 10 - 10 pF NOTES: 3. CPD is used to determine the dynamic power consumption, per decoder/demux. 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 -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% CD54HC139, CD74HC139, CD54HCT139, CD74HCT139 |
同様の部品番号 - CD54HCT139F3A |
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同様の説明 - CD54HCT139F3A |
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