74LS12 Datasheet PDF

SN54/74LS12 TRIPLE 3-INPUT NAND GATE TRIPLE 3-INPUT NAND GATE V CC 14 13 12 11 10 9 8 LOW POWER SCHOTTKY * * * 1 2 3 4 5 6 7 GND J SUFFIX CERAMIC CASE 632-08 14 1 * OPEN COLLECTOR OUTPUTS 14 1 N SUFFIX PLASTIC CASE 646-06 14 1 D SUFFIX SOIC CASE 751A-02 ORDERING INFORMATION SN54LSXXJ SN74LSXXN SN74LSXXD Ceramic Plastic SOIC GUARANTEED OPERATING RANGES Symbol VCC TA VOH IOL Supply Voltage Operating Ambient Temperature Range Output Voltage — High Output Current — Low Parameter 54 74 54 74 54, 74 54 74 Min 4.5 4.75 – 55 0 Typ 5.0 5.0 25 25 Max 5.5 5.25 125 70 5.5 4.0 8.0 Unit V °C V mA FAST AND LS TTL DATA 5-42 SN54/74LS12 DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol VIH VIL VIK IOH VOL Parameter Input HIGH Voltage 54 Input LOW Voltage 74 Input Clamp Diode Voltage Output HIGH Current Output LOW Voltage 74 Input HIGH Current 0.1 Input LOW Current Power Supply Current Total, Output HIGH Total, Output LOW – 0.4 1.4 3.3 0.35 0.5 20 IIH IIL ICC...