MC74VHC540DWR2G ON Semiconductor

MC74VHC540 Octal Bus Buffer Inverting The MC74VHC540 is an advanced high speed CMOS inverting octal bus buffer fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky MC74VHC540 MAXIMUM RATINGS* Symbol Parameter Value Unit This device contains protection circuitry to guard against damage V DC Supply Voltage 0.5 to + 7.0 V CC due to high static voltages or electric V DC Input Voltage 0.5 to + 7.0 V in fields. However, precautions must be taken to avoid applications of any V DC Output Voltage 0.5 to V + 0.5 V out CC voltage higher than maximum rated I Input Diode Current 20 mA voltages to this highimpedance cir- IK cuit. For proper operation, V and in I Output Diode Current 20 mA OK V should be constrained to the out I DC Output Current, per Pin 25 mA range GND (V or V ) V . out in out CC Unused inputs must always be tied I DC Supply Current, V and GND Pins 75 mA CC CC to an appropriate logic voltage level (e.g., either GND or V ). Unused P Power Dissipation in Still Air, SOIC Packages 500 mW D CC outputs must be left open. TSSOP Package 450 T Storage Temperature 65 to + 150 C stg * Absolute maximum continuous ratings are those values beyond which damage to the device may occur. Exposure to these conditions or conditions beyond those indicated may adversely affect device reliability. Functional operation under absolutemaximumrated conditions is not implied. Derating SOIC Packages: 7 mW/ C from 65 to 125 C TSSOP Package: 6.1 mW/ C from 65 to 125 C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit V DC Supply Voltage 2.0 5.5 V CC V DC Input Voltage 0 5.5 V in V DC Output Voltage 0 V V out CC T Operating Temperature, All Package Types 55 + 125 C A t , t Input Rise and Fall Time V = 3.3V 0.3V 0 100 ns/V r f CC (Figure 1) V =5.0V 0.5V 0 20 CC DC ELECTRICAL CHARACTERISTICS T = 25C T = 55 to 125C A A V CC V Min Typ Max Min Max Symbol Parameter Test Conditions Unit V Minimum HighLevel 2.0 1.50 1.50 V IH Input Voltage 3.0 to V x 0.7 V x 0.7 CC CC 5.5 V Maximum LowLevel 2.0 0.50 0.50 V IL Input Voltage 3.0 to V x 0.3 V x 0.3 CC CC 5.5 V Minimum HighLevel V = V or V 2.0 1.9 2.0 1.9 V OH in IH IL Output Voltage I = 50A 3.0 2.9 3.0 2.9 OH 4.5 4.4 4.5 4.4 V = V or V in IH IL I = 4mA 3.0 2.58 2.48 OH I = 8mA 4.5 3.94 3.80 OH V Maximum LowLevel V = V or V 2.0 0.0 0.1 0.1 V OL in IH IL Output Voltage I = 50A 3.0 0.0 0.1 0.1 OL 4.5 0.0 0.1 0.1 V = V or V in IH IL I = 4mA 3.0 0.36 0.44 OL I = 8mA 4.5 0.36 0.44 OL