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74VHCT244A Fiches technique(PDF) 3 Page - STMicroelectronics |
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74VHCT244A Fiches technique(HTML) 3 Page - STMicroelectronics |
3 / 8 page 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 5.4 7.4 1.0 8.5 ns 5.0 (*) 50 5.9 8.4 1.0 9.5 tPLZ tPHZ Output Disable Time 5.0 (*) 15 RL =1K Ω 7.7 10.4 1.0 12.0 ns 5.0 (*) 50 8.2 11.4 1.0 13.0 tPZL tPZH Output Enable Time 5.0 (*) 50 RL =1K Ω 8.8 11.4 1.0 13.0 ns (*) Voltage range is 5.0V ± 0.5V 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 µA4.4 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 4.5 to 5.5 VI =VIH orVIL VO =0V to5.5V ±0.25 ±2.5 µA II Input Leakage Current 0 to 5.5 VI =5.5Vor GND ±0.1 ±1.0 µA ICC Quiescent Supply Current 5.5 VI =VCC orGND 2 20 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 74VHCT244A 3/8 |
Numéro de pièce similaire - 74VHCT244A |
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Description similaire - 74VHCT244A |
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