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M74HC541M1R Datasheet(PDF) 4 Page - STMicroelectronics |
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M74HC541M1R Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 10 page M74HC541 4/10 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns) CAPACITIVE CHARACTERISTICS 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 x VCC x fIN + ICC/8 (per circuit) Symbol Parameter Test Condition Value Unit VCC (V) CL (pF) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. tTLH tTHL Output Transition Time 2.0 50 25 60 75 90 ns 4.5 7 121918 6.0 6 101315 tPLH tPHL Propagation Delay Time 2.0 50 40 85 105 130 ns 4.5 10 17 21 26 6.0 9 141822 2.0 150 56 115 145 175 ns 4.5 14 23 29 35 6.0 12 20 25 30 tPZL tPZH High Impedance Output Enable Time 2.0 50 RL = 1 KΩ 47 110 140 165 ns 4.5 13 22 28 33 6.0 11 19 24 28 2.0 150 RL = 1 KΩ 61 135 170 205 ns 4.5 17 27 34 41 6.0 14 23 29 35 tPLZ tPHZ High Impedance Output Disable Time 2.0 50 RL = 1 KΩ 52 110 140 165 ns 4.5 15 22 28 33 6.0 13 19 24 28 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. CIN Input Capacitance 5.0 5 101010 pF CPD Power Dissipation Capacitance (note 1) 5.0 31 pF |
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