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MC74VHCT245AMELG Datasheet(PDF) 3 Page - ON Semiconductor |
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MC74VHCT245AMELG Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 7 page MC74VHCT245A http://onsemi.com 3 DC ELECTRICAL CHARACTERISTICS Symbol Parameter Test Conditions VCC V TA = 25°C TA = − 40 to 85°C Unit Min Typ Max Min Max VIH Minimum High−Level Input Voltage 4.5 to 5.5 2.0 2.0 V VIL Maximum Low−Level Input Voltage 4.5 to 5.5 0.8 0.8 V VOH Minimum High−Level Output Voltage Vin = VIH or VIL IOH = − 50mA 4.5 4.4 4.5 4.4 V IOH = − 8mA 4.5 3.94 3.80 VOL Maximum Low−Level Output Voltage Vin = VIH or VIL IOL = 50mA 4.5 0.0 0.1 0.1 V IOL = 8mA 4.5 0.36 0.44 Iin Maximum Input Leakage Current Vin = 5.5 V or GND 0 to 5.5 ± 0.1 ± 1.0 mA IOZ Maximum 3−State Leakage Current Vin = VIL or VIH Vout = VCC or GND 5.5 ± 0.25 ± 2.5 mA ICC Maximum Quiescent Supply Current Vin = VCC or GND 5.5 4.0 40.0 mA ICCT Quiescent Supply Current Per Input: VIN = 3.4V Other Input: VCC or GND 5.5 1.35 1.50 mA IOPD Output Leakage Current VOUT = 5.5V 0 0.5 5.0 mA AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns) Symbol Parameter Test Conditions TA = 25°C TA = − 40 to 85°C Unit Min Typ Max Min Max tPLH, tPHL Maximum Propagation Delay A to B or B to A VCC = 5.0 ± 0.5V CL = 15pF CL = 50pF 4.9 5.4 7.7 8.7 1.0 1.0 8.5 9.5 ns tPZL, tPZH Output Enable Time OE to A or B VCC = 5.0 ± 0.5V CL = 15pF RL = 1kW CL = 50pF 9.4 9.9 13.8 14.8 1.0 1.0 15.0 16.0 ns tPLZ, tPHZ Output Disable Time OE to A or B VCC = 5.0 ± 0.5V CL = 50pF RL = 1kW 10.1 15.4 1.0 16.5 ns tOSLH, tOSHL Output to Output Skew VCC = 5.0 ± 0.5V CL = 50pF (Note 1) 1.0 1.0 ns Cin Maximum Input Capacitance 4 10 10 pF Cout Maximum 3−State Output Capacitance (Output in High−Impedance State) 13 pF CPD Power Dissipation Capacitance (Note 2) Typical @ 25 °C, VCC = 5.0V pF 16 1. Parameter guaranteed by design. tOSLH = |tPLHm − tPLHn|, tOSHL = |tPHLm − tPHLn|. 2. 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 / 8 (per bit). CPD is used to determine the no−load dynamic power consumption; PD = CPD VCC2 fin + ICC VCC. NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V) Symbol Parameter TA = 25°C Unit Typ Max VOLP Quiet Output Maximum Dynamic VOL 1.2 1.6 V VOLV Quiet Output Minimum Dynamic VOL −1.2 −1.6 V VIHD Minimum High Level Dynamic Input Voltage 2.0 V VILD Maximum Low Level Dynamic Input Voltage 0.8 V |
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