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M74HC148TTR 데이터시트(PDF) 3 Page - STMicroelectronics |
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3 / 11 page M74HC148 3/11 ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied (*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Value Unit VCC Supply Voltage -0.5 to +7 V VI DC Input Voltage -0.5 to VCC + 0.5 V VO DC Output Voltage -0.5 to VCC + 0.5 V IIK DC Input Diode Current ± 20 mA IOK DC Output Diode Current ± 20 mA IO DC Output Current ± 25 mA ICC or IGND DC VCC or Ground Current ± 50 mA PD Power Dissipation 500(*) mW Tstg Storage Temperature -65 to +150 °C TL Lead Temperature (10 sec) 300 °C Symbol Parameter Value Unit VCC Supply Voltage 2 to 6 V VI Input Voltage 0 to VCC V VO Output Voltage 0 to VCC V Top Operating Temperature -55 to 125 °C tr, tf Input Rise and Fall Time VCC = 2.0V 0 to 1000 ns VCC = 4.5V 0 to 500 ns VCC = 6.0V 0 to 400 ns |
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