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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CD74HC85M датащи(PDF) 5 Page - Texas Instruments |
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CD74HC85M датащи(HTML) 5 Page - Texas Instruments |
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5 / 8 page  5 (A > B) IN, (A < B) IN, (A = B) IN to (A > B) OUT, (A < B) OUT tPLH, tPHL CL = 50pF 2 - - 140 - 175 - 210 ns 4.5 - - 28 - 35 - 42 ns CL = 15pF 5 - 11 - - - - - ns CL = 50pF 6 - - 24 - 30 - 36 ns (A > B) IN to (A = B) OUT tPLH, tPHL CL = 50pF 2 - - 120 - 150 - 180 ns 4.5 - - 24 - 30 - 36 ns CL = 15pF 5 - 9 - - - - - ns CL = 50pF 6 - - 20 - 26 - 31 ns Power Dissipation Capacitance (Notes 2, 3) CPD -5 - 24 - - - - - pF 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 HCT TYPES Propagation Delay, An, Bn to (A > B) OUT, (A < B) OUT tPLH, tPHL CL = 50pF 4.5 - - 37 - 46 - 56 ns CL = 15pF 5 - 15 - - - - - ns An, Bn to (A = B) OUT tPLH, tPHL CL = 50pF 4.5 - - 40 - 50 - 60 ns CL = 15pF 5 - 17 - - - - - ns (A > B) IN, (A < B) IN, (A = B) IN to (A > B) OUT, (A < B) OUT tPLH, tPHL CL = 50pF 4.5 - - 30 - 38 - 45 ns CL = 15pF 5 - 12 - - - - - ns (A > B) IN to (A = B) OUT tPLH, tPHL CL = 50pF 4.5 - - 31 - 39 - 47 ns CL = 15pF 5 - 13 - - - - - ns Output Transition Times (Figure 1) tTLH, tTHL CL = 50pF 4.5 - - 15 - 19 - 22 ns Power Dissipation Capacitance (Notes 4, 5) CPD -5 - 26 - - - - - pF Input Capacitance CIN - - - - 10 - 10 - 10 pF NOTES: 4. CPD is used to determine the dynamic power consumption, per gate/package. 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% CD74HC85, CD74HCT85 |
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