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74HCT157DR2G Arkusz danych(PDF) 4 Page - ON Semiconductor |
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74HCT157DR2G Arkusz danych(HTML) 4 Page - ON Semiconductor |
4 / 9 page 74HCT157 http://onsemi.com 4 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6.0 ns) Symbol Parameter VCC (V) Guaranteed Limit Unit – 55 to 25_C v 85_C v 125_C tPLH, tPHL Maximum Propagation Delay, Input A or B to Output Y (Figures 1 and 4) 4.5 21 26 32 ns tPLH, tPHL Maximum Propagation Delay, Select to Output Y (Figures 2 and 4) 4.5 22 28 33 ns tPLH, tPHL Maximum Propagation Delay, Output Enable to Output Y (Figures 3 and 4) 4.5 20 25 30 ns tTLH, tTHL Maximum Output Transition Time, Any Output (Figures 1 and 4) 4.5 15 19 22 ns Cin Maximum Input Capacitance − 10 10 10 pF NOTE: For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the ON Semiconductor High−Speed CMOS Data Book (DL129/D). CPD Power Dissipation Capacitance (Per Package)* Typical @ 25°C, VCC = 5.0 V pF 33 * Used to determine the no−load dynamic power consumption: PD = CPD VCC2f + ICC VCC. For load considerations, see Chapter 2 of the ON Semiconductor High−Speed CMOS Data Book (DL129/D). |
Podobny numer części - 74HCT157DR2G |
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