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HC164 数据表(PDF) 4 Page - System Logic Semiconductor |
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HC164 数据表(HTML) 4 Page - System Logic Semiconductor |
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4 / 5 page ![]() SL74HC164 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 fmax Maximum Clock Frequency (50% Duty Cycle) (Figures 1 and 4) 2.0 4.5 6.0 6.0 30 35 4.8 24 28 4.0 20 24 MHz tPLH, tPHL Maximum Propagation Delay,Clock to Q (Figures 1 and 4) 2.0 4.5 6.0 175 35 30 220 44 37 265 53 45 ns tPHL Maximum Propagation Delay,Reset to Q (Figures 2 and 4) 2.0 4.5 6.0 205 41 35 255 51 43 310 62 53 ns tTLH, tTHL Maximum Output Transition Time, Any Output (Figures 1 and 4) 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 Package) Typical @25 °C,V CC=5.0 V CPD Used to determine the no-load dynamic power consumption: PD=CPDVCC 2f+I CCVCC 140 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,A1 or A2 to Clock (Figure 3) 2.0 4.5 6.0 50 10 9 65 13 11 75 15 13 ns th Minimum Hold Time, Clock to A1 or A2 (Figure 3) 2.0 4.5 6.0 5 5 5 5 5 5 5 5 5 ns trec Minimum Recovery Time, Reset Inactive to Clock (Figure 2) 2.0 4.5 6.0 5 5 5 5 5 5 5 5 5 ns tw Minimum Pulse Width, Reset (Figure 2) 2.0 4.5 6.0 80 16 14 100 20 17 120 24 20 ns tw Minimum Pulse Width, Clock (Figure 1) 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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