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SN74LS283D Datasheet(PDF) 3 Page - Motorola, Inc |
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SN74LS283D Datasheet(HTML) 3 Page - Motorola, Inc |
3 / 4 page 5-3 FAST AND LS TTL DATA SN54/74LS283 FUNCTIONAL TRUTH TABLE C (n – 1) An Bn ∑n Cn L L L L L L L H H L L H L H L L H H L H H L L H L H L H L H H H L L H H H H H H C1 – C3 are generated internally C0 is an external input C4 is an output generated internally GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage 54 74 4.5 4.75 5.0 5.0 5.5 5.25 V TA Operating Ambient Temperature Range 54 74 – 55 0 25 25 125 70 °C IOH Output Current — High 54, 74 – 0.4 mA IOL Output Current — Low 54 74 4.0 8.0 mA DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Symbol Parameter Limits Unit Test Conditions Symbol Parameter Min Typ Max Unit Test Conditions 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 VIL Input LOW Voltage 74 0.8 V Guaranteed Input LOW Voltage for All Inputs 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 VOH Output HIGH Voltage 74 2.7 3.5 V VCC = MIN, IOH = MAX, VIN = VIH or VIL per Truth Table 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 VOL Output LOW Voltage 74 0.35 0.5 V IOL = 8.0 mA VIN = VIL or VIH per Truth Table IIH Input HIGH Current C0 20 µA VCC = MAX, VIN = 2.7 V IIH Input HIGH Current Any A or B 40 µA VCC = MAX, VIN = 2.7 V IIH Input HIGH Current C0 0.1 mA VCC = MAX, VIN = 7.0 V Any A or B 0.2 mA VCC = MAX, VIN = 7.0 V IIL Input LOW Current C0 – 0.4 mA VCC = MAX, VIN = 0.4 V IIL Input LOW Current Any A or B – 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 34 mA VCC = MAX ICC Total, Output LOW 39 mA VCC = MAX Note 1: Not more than one output should be shorted at a time, nor for more than 1 second. |
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