AC CHARACTERISTICS SymbolParameter Min Typ Max Unit Test Conditions PLHTurn-Off Delay, Input Output22 ns PHLTurn-On Delay, Input Output22 ns CC 15pF Figure ACWaveforms OUT1.6 PHL1.3 PLH5-3 FAST LSTTL DATA SN54/74LS132 Figure ThresholdVoltage Hysteresisversus Power Supply Voltage Figure ThresholdVoltage Hysteresisversus Temperature 1.61.2 0.8 0.4 4.54.75 5.255.5 POWERSUPPLY VOLTAGE (VOLTS) 1.91.7 1.5 1.3 1.1 0.9 0.7 –55 2575 125 AMBIENTTEMPERATURE