MC74F38 QUAD 2-INPUT NAND BUFFER, OPEN COLLECTOR QUAD 2-INPUT NAND BUFFER, OPEN COLLECTOR FAST SCHOTTKY TTL VCC A B Y A B Y 14 13 12 11 10 9 8 J SUFFIX CERAMIC CASE 632-08 14 1 1 2 3 4 5 6 7 A B Y A B Y GND N SUFFIX PLASTIC CASE 646-06 14 1 14 1 D SUFFIX SOIC CASE 751A-02 ORDERING INFORMATION MC74FXXJ MC74FXXN MC74FXXD Ceramic Plastic SOIC GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage 74 4.5 5.0 5.5 V TA Operating Ambient Temperature Range 74 0 25 70 °C IOL Output Current — Low 74 64 mA FAST AND LS TTL DATA 4-25 MC74F38 DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol Parameter VIH Input HIGH Voltage VIL Input LOW Voltage VIK VOL Min Typ Max Unit 2.0 Test Conditions V Guaranteed Input HIGH Voltage 0.8 V Guaranteed Input LOW Voltage Input Clamp Diode Voltage –1.2 V VCC = MIN, IIN = –18 mA Output LOW Voltage 0.55 V IOL = 64 mA 20 µA VCC = MAX, VIN = 2.7 V 0.1 mA VCC = MAX, VIN = 7.0 V VCC = MIN IIH Input HIGH Current IIL Input LOW Current –1.2 mA VCC = MAX, VIN = 0.5 V IOH Output HIGH Current 250 µA VCC = MIN, VIL = MAX VIH = MIN, VOH = MAX ICC Power Supply Current Total, Output HIGH 7.0 mA VCC = MAX, VIN = GND Total, Output LOW 30 mA VCC = MAX, VIN = Open NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type. AC CHARACTERISTICS Symbol Parameter 74F 74F TA = +25°C TA = 0°C to 70°C VCC = +5.0 V VCC = 5.0 V ± 10% CL = 50 pF CL = 50 pF Min Max Min Max Unit tPLH Propagation Delay 7.5 12.5 7.5 13 ns tPHL Propagation Delay 1.0 5.0 1.0 5.5 ns FUNCTION TABLE Inputs Output A B Y L L H H L H L H H H H L H = HIGH Voltage Level L = LOW Voltage Level X = Don’t Care FAST AND LS TTL DATA 4-26