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74VHC245 Arkusz danych(PDF) 3 Page - STMicroelectronics |
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74VHC245 Arkusz danych(HTML) 3 Page - STMicroelectronics |
3 / 8 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 2.0 1.5 1.5 V 3.0 to 5.5 0.7VCC 0.7VCC VIL Low Level Input Voltage 2.0 0.5 0.5 V 3.0 to 5.5 0.3VCC 0.3VCC VOH High Level Output Voltage 2.0 IO=-50 µA 1.9 2.0 1.9 V 3.0 IO=-50 µA 2.9 3.0 2.9 4.5 IO=-50 µA 4.4 4.5 4.4 3.0 IO=-4 mA 2.58 2.48 4.5 IO=-8 mA 3.94 3.8 VOL Low Level Output Voltage 2.0 IO=50 µA 0.0 0.1 0.1 V 3.0 IO=50 µA 0.0 0.1 0.1 4.5 IO=50 µA 0.0 0.1 0.1 3.0 IO=4 mA 0.36 0.44 4.5 IO=8 mA 0.36 0.44 IOZ High Impedance Output Leakage Current 5.5 VI =VIH or VIL VO =VCC or GND ±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 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 3.3 (*) 15 5.8 8.4 1.0 10.0 ns 3.3 (*) 50 8.3 11.9 1.0 13.5 5.0 (**) 15 4.0 5.5 1.0 6.5 5.0 (**) 50 5.5 7.5 1.0 8.5 tPLZ tPHZ Output Disable Time 3.3 (*) 15 RL =1K Ω 8.5 13.2 1.0 15.5 ns 3.3 (*) 50 RL =1K Ω 11.0 16.7 1.0 19.0 5.0 (**) 15 RL =1K Ω 5.8 8.5 1.0 10.0 5.0 (**) 50 RL =1K Ω 7.3 10.6 1.0 12.0 tPZL tPZH Output Enable Time 3.3 (*) 50 RL =1K Ω 11.5 15.8 1.0 18.0 ns 5.0 (**) 50 RL =1K Ω 7.0 9.7 1.0 11.0 tOSLH tOSHL Output to Output Skew Time (note 1) 3.3 (*) 50 1.5 1.5 ns 5.0 (**) 50 1.0 1.0 (*) Voltage range is 3.3V ± 0.3V (**) Voltage range is 5V ± 0.5V Note 1: Parameter guaranteed by design. tsoLH =|tpLHm-tpLHn|, tsoHL =|tpHLm -tpHLn| 74VHC245 3/8 |
Podobny numer części - 74VHC245 |
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Podobny opis - 74VHC245 |
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