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74VHCT245AT Folha de dados(PDF) 4 Page - STMicroelectronics |
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74VHCT245AT Folha de dados(HTML) 4 Page - STMicroelectronics |
4 / 9 page DC SPECIFICATIONS Symb ol Parameter T est Cond ition s Val ue Un it VCC (V) TA =25 oC -40 to 85 oC Min. Typ . Max. Min . Max. VIH High Level Input Voltage 4.5 to 5.5 2 2 V VIL Low Level Input Voltage 4.5 to 5.5 0.8 0.8 V VOH High Level Output Voltage 4.5 IO=-50 µA 4.4 4.5 4.4 V 4.5 IO=-8 mA 3.94 3.8 VOL Low Level Output Voltage 4.5 IO=50 µA 0.0 0.1 0.1 V 4.5 IO=8 mA 0.36 0.44 IOZ High Impedance Output Leakage Current 5.5 VI =VIH or VIL VO = 0V to 5.5V ±0.25 ±2.5 µA II Input Leakage Current 0 to 5.5 VI = 5.5V or GND ±0.1 ±1.0 µA ICC Quiescent Supply Current 5.5 VI =VCC or GND 4 40 µA ∆ICC Additional Worst Case Supply Current 5.5 One Input at 3.4V, other input at VCC or GND 1.35 1.5 mA IOPD Output Leakage Current 0VOUT = 5.5V 0.5 5.0 µA AC ELECTRICAL CHARACTERISTICS (Input tr =tf =3 ns) Symb ol Parameter Test Co nditi on Val ue Un it VCC (*) (V) CL (pF) TA =25 oC -40 to 85 oC Min. Typ . Max. Min . Max. tPLH tPHL Propagation Delay Time 5.0 15 4.5 7.5 1.0 8.5 ns 5.0 50 5.5 8.5 1.0 9.5 tPZL tPZH Output Enable Time 5.0 15 RL =1K Ω 9.0 14.5 1.0 15.5 ns 5.0 50 10.0 15.5 1.0 16.5 tPLZ tPHZ Output Disable Time 5.0 50 RL =1K Ω 9.5 15.0 1.0 16.0 ns tOSLH tOSHL Output to Output Skew Time (note 1) 5.0 50 1.0 1.0 ns (*) Voltage range is 5V ± 0.5V Note 1: Parameter guaranteed by design. tsoLH =|tpLHm-tpLHn|, tsoHL =|tpHLm -tpHLn| 74VHCT245A 4/9 |
Nº de peça semelhante - 74VHCT245AT |
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Descrição semelhante - 74VHCT245AT |
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