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SN74LS160A Fiches technique(PDF) 4 Page - ON Semiconductor |
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SN74LS160A Fiches technique(HTML) 4 Page - ON Semiconductor |
4 / 7 page SN74LS160A http://onsemi.com 4 LS162A and LS163A DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Symbol Parameter Limits Unit Test Conditions Min Typ Max VIH Input HIGH Voltage 2.0 V Guaranteed Input HIGH Voltage for All Inputs VIL Input LOW Voltage 54 0.7 V Guaranteed Input LOW Voltage for All Inputs 74 0.8 VIK Input Clamp Diode Voltage −0.65 −1.5 V VCC = MIN, IIN = −18 mA VOH Output HIGH Voltage 54 2.5 3.5 V VCC = MIN, IOH = MAX, VIN = VIH or VIL per Truth Table 74 2.7 3.5 V VOL Output LOW Voltage 54, 74 0.25 0.4 V IOL = 4.0 mA VCC = VCC MIN, VIN = VIL or VIH per Truth Table 74 0.35 0.5 V IOL = 8.0 mA IIH Input HIGH Current Data, CEP, Clock PE, CET, SR 20 40 μA VCC = MAX, VIN = 2.7 V Data, CEP, Clock PE, CET, SR 0.1 0.2 mA VCC = MAX, VIN = 7.0 V IIL Input LOW Current Data, CEP, Clock, PE, SR CET −0.4 −0.8 mA VCC = MAX, VIN = 0.4 V IOS Short Circuit Current (Note 1) −20 −100 mA VCC = MAX ICC Power Supply Current Total, Output HIGH Total, Output LOW 31 32 mA VCC = MAX 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 Limits Unit Test Conditions Min Typ Max fMAX Maximum Clock Frequency 25 32 MHz VCC = 5.0 V CL = 15 pF tPLH tPHL Propagation Delay Clock to TC 20 18 35 35 ns tPLH tPHL Propagation Delay Clock to Q 13 18 24 27 ns tPLH tPHL Propagation Delay CET to TC 9.0 9.0 14 14 ns tPHL MR or SR to Q 20 28 ns AC SETUP REQUIREMENTS (TA = 25°C) Symbol Parameter Limits Unit Test Conditions Min Typ Max tWCP Clock Pulse Width Low 25 ns VCC = 5.0 V tW MR or SR Pulse Width 20 ns ts Setup Time, other* 20 ns ts Setup Time PE or SR 25 ns th Hold Time, data 3 ns th Hold Time, other 0 ns trec Recovery Time MR to CP 15 ns *CEP, CET, or DATA |
Numéro de pièce similaire - SN74LS160A |
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Description similaire - SN74LS160A |
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