MC74ACT240NG ON Semiconductor

MC74AC240, MC74ACT240 Octal Buffer/Line Driver with 3State Outputs The MC74AC240/74ACT240 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC MC74AC240, MC74ACT240 MAXIMUM RATINGS Symbol Parameter Value Unit V DC Supply Voltage (Referenced to GND) 0.5 to +7.0 V CC V DC Input Voltage (Referenced to GND) 0.5 to V +0.5 V IN CC V DC Output Voltage (Referenced to GND) 0.5 to V +0.5 V OUT CC I DC Input Current, per Pin 20 mA IN I DC Output Sink/Source Current, per Pin 50 mA OUT I DC V or GND Current per Output Pin 50 mA CC CC T Storage Temperature 65 to +150 C stg Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Typ Max Unit AC 2.0 5.0 6.0 V Supply Voltage V CC ACT 4.5 5.0 5.5 V , V DC Input Voltage, Output Voltage (Ref. to GND) 0 V V IN OUT CC V 3.0 V 150 CC Input Rise and Fall Time (Note 1) t , t V 4.5 V 40 ns/V r f CC AC Devices except Schmitt Inputs V 5.5 V 25 CC V 4.5 V 10 Input Rise and Fall Time (Note 2) CC t , t ns/V r f ACT Devices except Schmitt Inputs V 5.5 V 8.0 CC T Junction Temperature (PDIP) 140 C J T Operating Ambient Temperature Range 40 25 85 C A I Output Current High 24 mA OH I Output Current Low 24 mA OL 1. V from 30% to 70% V see individual Data Sheets for devices that differ from the typical input rise and fall times. IN CC 2. V from 0.8 V to 2.0 V see individual Data Sheets for devices that differ from the typical input rise and fall times. IN