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SN74LS14 Datasheet(PDF) 2 Page - ON Semiconductor |
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SN74LS14 Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 5 page SN74LS14 http://onsemi.com 2 DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Symbol Parameter Limits Unit Test Conditions Min Typ Max VT+ Positive-Going Threshold Voltage 1.5 2.0 V VCC = 5.0 V VT− Negative-Going Threshold Voltage 0.6 1.1 V VCC = 5.0 V VT+−VT− Hysteresis 0.4 0.8 V VCC = 5.0 V VIK Input Clamp Diode Voltage −0.65 −1.5 V VCC = MIN, IIN = −18 mA VOH Output HIGH Voltage 2.7 3.4 V VCC = MIN, IOH = −400 μA, VIN = VIL VOL Output LOW Voltage 0.25 0.4 V VCC = MIN, IOL = 4.0 mA, VIN = 2.0 V 0.35 0.5 V VCC = MIN, IOL = 8.0 mA, VIN = 2.0 V IT+ Input Current at Positive-Going Threshold −0.14 mA VCC = 5.0 V, VIN = VT+ IT− Input Current at Negative-Going Threshold −0.18 mA VCC = 5.0 V, VIN = VT− IIH Input HIGH Current 1.0 20 μA VCC = MAX, VIN = 2.7 V 0.1 mA VCC = MAX, VIN = 7.0 V IIL Input LOW Current −0.4 mA VCC = MAX, VIN = 0.4 V IOS Short Circuit Current (Note 1) −20 −100 mA VCC = MAX, VOUT = 0 V ICC Power Supply Current Total, Output HIGH Total, Output LOW 8.6 16 mA VCC = MAX 12 21 Note 1: Not more than one output should be shorted at a time, nor for more than 1 second. AC CHARACTERISTICS (TA = 25°C) Symbol Parameter Max Unit Test Conditions tPLH Propagation Delay, Input to Output 22 ns VCC = 5.0 V CL = 15 pF tPHL Propagation Delay, Input to Output 22 ns 3 V 0 V VIN VOUT 1.6 V 0.8 V tPHL 1.3 V 1.3 V tPLH Figure 1. AC Waveforms |
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