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74AC257MTR Fiches technique(PDF) 3 Page - STMicroelectronics |
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74AC257MTR Fiches technique(HTML) 3 Page - STMicroelectronics |
3 / 11 page 74AC257 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. RECOMMENDED OPERATING CONDITIONS 1) VIN from 30% to 70% of VCC 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 ± 50 mA ICC or IGND DC VCC or Ground Current ± 200 mA 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 dt/dv Input Rise and Fall Time VCC = 3.0, 4.5 or 5.5V (note 1) 8 ns/V |
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