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MC74HC157ADR2G Datasheet(PDF) 4 Page - ON Semiconductor |
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MC74HC157ADR2G Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 10 page MC74HC157A http://onsemi.com 4 DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) Guaranteed Limit Unit v 125_C v 85_C – 55 to 25 _C VCC V Test Conditions Parameter Symbol VOL Maximum Low−Level Output Voltage Vin = VIL |Iout| v 20 mA 2.0 4.5 6.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 V Vin = VIL |Iout| v 2.4 mA |Iout| v 6.0 mA |Iout| v 7.8 mA 3.0 4.5 6.0 0.26 0.26 0.26 0.33 0.33 0.33 0.4 0.4 0.4 Iin Maximum Input Leakage Current Vin = VCC or GND 6.0 ± 0.1 ± 1.0 ± 1.0 mA IOZ Maximum Three−State Leakage Current Output in High−Impedance State Vin = VIL or VIH Vout = VCC or GND 6.0 ± 0.5 ± 5.0 ± 10 mA ICC Maximum Quiescent Supply Current (per Package) Vin = VCC or GND Iout = 0 mA 6.0 4.0 40 160 mA NOTE: Information on typical parametric values can be found in Chapter 2 of the ON Semiconductor High−Speed CMOS Data Book (DL129/D). 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) 2.0 3.0 4.5 6.0 105 65 21 18 130 85 26 22 160 115 32 27 ns tPLH, tPHL Maximum Propagation Delay, Select to Output Y (Figures 2 and 4) 2.0 3.0 4.5 6.0 110 70 22 19 140 90 28 24 165 115 33 28 ns tPLH, tPHL Maximum Propagation Delay, Output Enable to Output Y (Figures 3 and 4) 2.0 3.0 4.5 6.0 100 60 20 17 125 80 25 21 150 110 30 26 ns tTLH, tTHL Maximum Output Transition Time, Any Output (Figures 1 and 4) 2.0 3.0 4.5 6.0 75 27 15 13 95 32 19 16 110 36 22 19 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). |
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