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MC74VHC157M Datasheet(PDF) 4 Page - ON Semiconductor |
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MC74VHC157M Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 7 page MC74VHC157 http://onsemi.com 4 DC CHARACTERISTICS (Voltages Referenced to GND) VCC TA =25_C TA ≤85_C --55_C ≤TA≤125_C Symbol Parameter Condition (V) Min Typ Max Min Max Min Max Unit VIH High--Level Input Voltage 2.0 3.0to5.5 1.5 0.7 VCC 1.5 0.7 VCC 1.5 0.7 VCC V VIL Low--Level Input Voltage 2.0 3.0to5.5 0.5 0.3 VCC 0.5 0.3 VCC 0.5 0.3 VCC V VOH High--Level Output Voltage VIN =VIH or VIL IOH =--50 mA 2.0 3.0 4.5 1.9 2.9 4.4 2.0 3.0 4.5 1.9 2.9 4.4 1.9 2.9 4.4 V VIN =VIH or VIL IOH =--4 mA IOH =--8 mA 3.0 4.5 2.58 3.94 2.48 3.8 2.34 3.66 VOL Low--Level Output Voltage VIN =VIH or VIL IOL =50 mA 2.0 3.0 4.5 0.0 0.0 0.0 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 V VIN =VIH or VIL IOH =4mA IOH =8mA 3.0 4.5 0.36 0.36 0.44 0.44 0.52 0.52 IIN Input Leakage Current VIN =5.5 Vor GND 0to5.5 ±0.1 ±1.0 ±1.0 mA ICC Quiescent Supply Current VIN =VCC or GND 5.5 4.0 40.0 40.0 mA AC ELECTRICAL CHARACTERISTICS (Input tr =tf =3.0 ns) TA =25_C TA ≤85_C --55_C ≤TA≤125_C Symbol Characteristic Test Conditions Min Typ Max Typ Max Typ Max Unit tPLH, tPHL Propagation Delay, AtoBto Y VCC =3.3 ± 0.3 V CL =15pF CL =50pF 6.2 8.7 9.7 13.2 1.0 1.0 11.5 15.0 1.0 1.0 11.5 15.0 ns VCC =5.0 ± 0.5 V CL =15pF CL =50pF 4.1 5.6 6.4 8.4 1.0 1.0 7.5 9.5 1.0 1.0 7.5 9.5 tPLH, tPHL Propagation Delay, StoY VCC =3.3 ± 0.3 V CL =15pF CL =50pF 8.4 10.9 13.2 16.7 1.0 1.0 15.5 19.0 1.0 1.0 15.5 19.0 ns VCC =5.0 ± 0.5 V CL =15pF CL =50pF 5.3 6.8 8.1 10.1 1.0 1.0 9.5 11.5 1.0 1.0 9.5 11.5 tPLH, tPHL Propagation Delay, E to Y VCC =3.3 ± 0.3 V CL =15pF CL =50pF 8.7 11.2 13.6 17.1 1.0 1.0 16.0 19.5 1.0 1.0 16.0 19.5 ns VCC =5.0 ± 0.5 V CL =15pF CL =50pF 5.6 7.1 8.6 10.6 1.0 1.0 10.0 12.0 1.0 1.0 10.0 12.0 CIN Input Capacitance 4 10 10 10 pF Typical @ 25_C, VCC =5.0 V CPD Power Dissipation Capacitance (Note 7) 20 pF 7. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC(OPR) =CPD ¯ VCC ¯ fin +ICC.CPD is used to determine the no--load dynamic power consumption: PD =CPD ¯ VCC2 ¯ fin +ICC ¯ VCC. |
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