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74AC20M Datasheet(PDF) 3 Page - STMicroelectronics |
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74AC20M Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 7 page DC SPECIFICATIONS Symbol Parameter Test Con dition s Value Unit VCC (V) TA =25 oC-40 to 85 oC Mi n. Typ. Max. Min . Max. VIH High Level Input Voltage 3.0 VO = 0.1 V or VCC - 0.1 V 2.1 1.5 2.1 V 4.5 3.15 2.25 3.15 5.5 3.85 2.75 3.85 VIL Low Level Input Voltage 3.0 VO = 0.1 V or VCC - 0.1 V 1.5 0.9 0.9 V 4.5 2.25 1.35 1.35 5.5 2.75 1.65 1.65 VOH High Level Output Voltage 3.0 VI (*) = VIH or VIL IO=-50 µA 2.9 2.99 2.9 V 4.5 IO=-50 µA 4.4 4.49 4.4 5.5 IO=-50 µA 5.4 5.49 5.4 3.0 IO=-12 mA 2.56 2.46 4.5 IO=-24 mA 3.86 3.76 5.5 IO=-24 mA 4.86 4.76 VOL Low Level Output Voltage 3.0 VI (*) = VIH or VIL IO=50 µA 0.002 0.1 0.1 V 4.5 IO=50 µA 0.001 0.1 0.1 5.5 IO=50 µA 0.001 0.1 0.1 3.0 IO=12 mA 0.36 0.44 4.5 IO=24 mA 0.36 0.44 5.5 IO=24 mA 0.36 0.44 II Input Leakage Current 5.5 VI =VCC or GND ±0.1 ±1 µA ICC Quiescent Supply Current 5.5 VI =VCC or GND 4 40 µA IOLD Dynamic Output Current (note 1, 2) 5.5 VOLD = 1.65 V max 75 mA IOHD VOHD = 3.85 V min -75 mA 1) Maximum test duration 2ms, one output loaded at time 2) Incident wave switching is guaranteed on transmission lines with impedances as low as 50 Ω. (*) All outputs loaded. CAPACITIVE CHARACTERISTICS Symbol Parameter Test Con dition s Value Unit VCC (V) TA =25 oC-40 to 85 oC Mi n. Typ. Max. Min . Max. CIN Input Capacitance 5.0 4.5 pF CPD Power Dissipation Capacitance (note 1) 5.0 40 pF 1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD • VCC •fIN +ICC/n (per circuit) AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr =tf =3 ns) Symbol Parameter T est Cond iti on Value Unit VCC (V) TA =25 oC-40 to 85 oC Mi n. Typ. Max. Min . Max. tPLH tPHL Propagation Delay Time 3.3 (*) 1.5 5.0 7.0 1.0 9.0 ns 5.0 (**) 1.5 4.0 6.0 1.0 7.0 (*) Voltage range is 3.3V ± 0.3V (**) Voltage range is 5V ± 0.5V 74AC20 3/7 |
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Descripción similar - 74AC20M |
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