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SL74HC75 数据表(PDF) 4 Page - System Logic Semiconductor |
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SL74HC75 数据表(HTML) 4 Page - System Logic Semiconductor |
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4 / 5 page ![]() SL74HC75 System Logic Semiconductor SLS AC ELECTRICAL CHARACTERISTICS(C L=50pF,Input t r=tf=6.0 ns) VCC Guaranteed Limit Symbol Parameter V 25 °C to -55 °C ≤85°C ≤125°C Unit tPLH, tPHL Maximum Propagation Delay, D to Q (Figures 1 and 5) 2.0 4.5 6.0 125 25 21 155 31 26 190 38 32 ns tPLH, tPHL Maximum Propagation Delay , D to Q (Figures 1 and 5) 2.0 4.5 6.0 110 22 19 140 28 24 165 33 28 ns tPLH, tPHL Maximum Propagation Delay ,Latch Enable to Q (Figures 2 and 5) 2.0 4.5 6.0 145 29 25 180 36 31 220 44 38 ns tPLH, tPHL Maximum Propagation Delay ,Latch Enable to Q (Figures 2 and 5) 2.0 4.5 6.0 125 25 21 155 31 26 190 38 32 ns tTLH, tTHL Maximum Output Transition Time, Any Output (Figures 3 and 5) 2.0 4.5 6.0 75 15 13 95 19 16 110 22 19 ns CIN Maximum Input Capacitance - 10 10 10 pF Power Dissipation Capacitance (Per Latch) Typical @25 °C,V CC=5.0 V CPD Used to determine the no-load dynamic power consumption: PD=CPDVCC 2f+I CCVCC 35 pF TIMING REQUIREMENTS (C L=50pF,Input t r=tf=6.0 ns) VCC Guaranteed Limit Symbol Parameter V 25 °C to -55 °C ≤85°C ≤125°C Unit tSU Minimum Setup Time, Input D to Latch Enable (Figure 4) 2.0 4.5 6.0 100 20 17 125 25 21 150 30 26 ns th Minimum Hold Time,Latch Enable to D (Figure 4) 2.0 4.5 6.0 25 5 5 30 6 6 40 8 7 ns tw Minimum Pulse Width, Latch Enable Input (Figure 2) 2.0 4.5 6.0 80 16 14 100 20 17 120 24 20 ns tr, tf Maximum Input Rise and Fall Times (Figure 1) 2.0 4.5 6.0 1000 500 400 1000 500 400 1000 500 400 ns |
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