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74VHC257T 数据表(PDF) 4 Page - STMicroelectronics |
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74VHC257T 数据表(HTML) 4 Page - STMicroelectronics |
4 / 14 page 74VHC257 4/14 Table 6: DC Specifications Symbol Parameter Test Condition Value Unit VCC (V) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. VIH High Level Input Voltage 2.0 1.5 1.5 1.5 V 3.0 to 5.5 0.7VCC 0.7VCC 0.7VCC VIL Low Level Input Voltage 2.0 0.5 0.5 0.5 V 3.0 to 5.5 0.3VCC 0.3VCC 0.3VCC VOH High Level Output Voltage 2.0 IO=-50 µA 1.9 2.0 1.9 1.9 V 3.0 IO=-50 µA 2.9 3.0 2.9 2.9 4.5 IO=-50 µA 4.4 4.5 4.4 4.4 3.0 IO=-4 mA 2.58 2.48 2.4 4.5 IO=-8 mA 3.94 3.8 3.7 VOL Low Level Output Voltage 2.0 IO=50 µA 0.0 0.1 0.1 0.1 V 3.0 IO=50 µA 0.0 0.1 0.1 0.1 4.5 IO=50 µA 0.0 0.1 0.1 0.1 3.0 IO=4 mA 0.36 0.44 0.55 4.5 IO=8 mA 0.36 0.44 0.55 IOZ High Impedance Output Leakage Current 5.5 VI = VIH or VIL VO = VCC or GND ±0.25 ± 2.5 ± 2.5 µA II Input Leakage Current 0 to 5.5 VI = 5.5V or GND ± 0.1 ± 1 ± 1 µA ICC Quiescent Supply Current 5.5 VI = VCC or GND 440 40 µA |
类似零件编号 - 74VHC257T |
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类似说明 - 74VHC257T |
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