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MC74LVX257 Datasheet(PDF) 4 Page - ON Semiconductor |
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MC74LVX257 Datasheet(HTML) 4 Page - ON Semiconductor |
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4 / 8 page  MC74LVX257 http://onsemi.com 4 DC CHARACTERISTICS (Voltages Referenced to GND) VCC TA = 25°C −40°C ≤ TA ≤ 85°C Symbol Parameter Condition (V) Min Typ Max Min Max Unit VIH Minimum High−Level Input Voltage 2.0 3.0 3.6 0.75 VCC 0.7 VCC 0.7 VCC 0.75 VCC 0.7 VCC 0.7 VCC V VIL Maximum Low−Level Input Voltage 2.0 3.0 3.6 0.25 VCC 0.3 VCC 0.3 VCC 0.25 VCC 0.3 VCC 0.3 VCC V VOH High−Level Output Voltage IOH = −50 mA IOH = −50 mA IOH = −4 mA 2.0 3.0 3.0 1.9 2.9 2.58 2.0 3.0 1.9 2.9 2.48 V VOL Low−Level Output Voltage IOL = 50 mA IOL = 50 mA IOL = 4 mA 2.0 3.0 3.0 0.0 0.0 0.1 0.1 0.36 0.1 0.1 0.44 V IOZ Maximum 3−State Leakage Current VIN = VIH or VIL VOUT = VCC or GND 3.6 ±0.1 ±1.0 mA IIN Input Leakage Current VIN = 5.5 V or GND 0 to 3.6 ±0.1 ±1.0 mA ICC Maximum Quiescent Supply Current (per package) VIN = VCC or GND 3.6 1.0 1.0 2.0 40 mA AC ELECTRICAL CHARACTERISTICS Input tr = tf = 3.0 ns Symbol Parameter Test Conditions TA = 25°C −40°C ≤ TA ≤ 85°C Unit Min Typ Max Min Max tPLH, tPHL Maximum Propagation Delay, A or B to Y VCC = 2.7 V CL = 15pF CL = 50pF 6.5 9.5 10.0 14.0 1.0 1.0 15.0 18.5 ns VCC = 3.3 V ± 0.3 V CL = 15pF CL = 50pF 4.5 7.5 8.0 12.0 1.0 1.0 10.0 13.5 tPLH, tPHL Maximum Propagation Delay, S to Y VCC = 2.7 V CL = 15pF CL = 50pF 8.0 10.5 12.0 15.5 1.0 1.0 17.0 20.0 ns VCC = 3.3 V ± 0.3 V CL = 15pF CL = 50pF 6.0 8.5 10.0 13.5 1.0 1.0 12.0 15.5 tPZL, tPZH Maximum Output Enable, Time, OE to Y VCC = 2.7 V CL = 15pF RL = 1 kW CL = 50pF 7.5 10.5 11.5 15.0 1.0 1.0 16.5 18.0 ns VCC = 3.3 V ± 0.3 V CL = 15pF RL = 1 kW CL = 50pF 5.5 8.5 9.5 13.0 1.0 1.0 11.5 15.0 tPLZ, tPHZ Maximum Output Disable, Time, OE to Y VCC = 2.7 CL = 50pF RL = 1 kW 13.0 17.0 1.0 18.0 ns VCC = 3.3 V ± 0.3 V CL = 50pF RL = 1 kW 12 17.0 1.0 18.0 CIN Maximum Input Capacitance 4 10 10 pF CPD Power Dissipation Capacitance (Note 5) Typical @ 25°C, VCC = 3.3 V pF 20 5. 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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