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SL74HCT273 Datasheet(PDF) 4 Page - System Logic Semiconductor |
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SL74HCT273 Datasheet(HTML) 4 Page - System Logic Semiconductor |
4 / 5 page ![]() SL74HCT273 System Logic Semiconductor SLS AC ELECTRICAL CHARACTERISTICS(V CC =5.0 V ± 10%, C L=50pF,Input t r=tf=6.0 ns) Guaranteed Limit Symbol Parameter 25 °C to -55 °C ≤85°C ≤125°C Unit fmax Maximum Clock Frequency (50% Duty Cycle) (Figures 1 and 4) 30 24 20 MHz tPLH, tPHL Maximum Propagation Delay, Clock to Q (Figures 1 and 4) 25 28 35 ns tPHL Maximum Propagation Delay , Reset to Q (Figures 2 and 4) 25 28 35 ns tTLH, tTHL Maximum Output Transition Time, Any Output (Figures 1 and 4) 18 20 22 ns CIN Maximum Input Capacitance 10 10 10 pF Power Dis sipation Capacitance (Per Gate) Typical @25 °C,V CC=5.0 V CPD Used to determine the no-load dynamic power consumption: PD=CPDVCC 2f+I CCVCC 30 pF TIMING REQUIREMENTS (V CC =5.0 V ± 10%, C L=50pF,Input t r=tf=6.0 ns) Guaranteed Limit Symbol Parameter 25 °C to -55 °C ≤85°C ≤125°C Unit tSU Minimum Setup Time, Data to Clock (Figure 3) 10 12 15 ns th Minimum Hold Time, Clock to Data (Figure 3) 3.0 3.0 3.0 ns trec Minimum Recovery Time, Reset Inactive to Clock (Figure 2) 5.0 5.0 5.0 ns tw Minimum Pulse Width, Clock (Figure 1) 12 15 18 ns tw Minimum Pulse Width, Reset (Figure 2) 12 15 18 ns tr, tf Maximum Input Rise and Fall Times (Figure 1) 500 500 500 ns |