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M74HC4020RM13TR Datasheet(PDF) 5 Page - STMicroelectronics |
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M74HC4020RM13TR Datasheet(HTML) 5 Page - STMicroelectronics |
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5 / 11 page  M74HC4020 5/11 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/2 (per FLIP/ FLOP) 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. tTLH tTHL Output Transition Time 2.0 30 75 95 110 ns 4.5 8 151922 6.0 7 131619 tPLH tPHL Propagation Delay Time (Qn - Qn+1) 2.0 20 50 65 75 ns 4.5 5 101315 6.0 4 9 11 13 tPLH tPHL Propagation Delay Time (CLOCK Q1) 2.0 76 145 180 220 ns 4.5 21 29 36 44 6.0 18 25 31 38 tPHL Propagation Delay Time (CLEAR - Qn) 2.0 60 140 175 210 ns 4.5 18 28 35 42 6.0 15 24 30 36 fMAX Maximum Clock Frequency 2.0 6.0 15 4.8 4 MHz 4.5 30 65 24 20 6.0 35 70 28 24 tW(H) tW(L) Minimum Pulse Width (CLOCK) 2.0 40 75 95 110 ns 4.5 8 151922 6.0 7 131619 tW(H) Minimum Pulse Width (CLEAR) 2.0 32 75 95 110 ns 4.5 8 151922 6.0 7 131619 tREM Minimum Removal Time 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 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 34 pF |
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