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M74HCT257 Arkusz danych(PDF) 5 Page - STMicroelectronics |
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M74HCT257 Arkusz danych(HTML) 5 Page - STMicroelectronics |
5 / 12 page DC SPECIFICATIONS Symbol Parameter Test Conditions Value Unit VCC (V) TA =25 oC 54HC and 74HC -40 to 85 oC 74HC -55 to 125 oC 54HC Min. Typ. Max. Min. Max. Min. Max. VIH High Level Input Voltage 4.5 to 5.5 2.0 2.0 2.0 V VIL Low Level Input Voltage 4.5 to 5.5 0.8 0.8 0.8 V VOH High Level Output Voltage 4.5 VI = VIH or VIL IO=-20 µA 4.4 4.5 4.4 4.4 V IO=-4.0 mA 4.18 4.31 4.13 4.10 VOL Low Level Output Voltage 4.5 VI = VIH or VIL IO=20 µA 0.0 0.1 0.1 0.1 V IO= 4.0 mA 0.17 0.26 0.33 0.4 IOZ 3-State Output Off State Current 5.5 VI =VCC or GND ±0.5 ±5 ±10 µA II Input Leakage Current 5.5 VI =VCC or GND ±0.1 ±1 ±1 µA ICC Quiescent Supply Current 5.5 VI =VCC or GND 1 10 20 µA ∆ICC Additional worst case supply current 5.5 Per Input pin VI = 0.5V or VI = 2.4V Other Inputs at VCC or GND 2.0 2.9 3.0 mA M54/M74HCT257/258 5/12 |
Podobny numer części - M74HCT257 |
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Podobny opis - M74HCT257 |
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