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M74HC294RM13TR データシート(PDF) 6 Page - STMicroelectronics |
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M74HC294RM13TR データシート(HTML) 6 Page - STMicroelectronics |
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6 / 11 page ![]() M74HC294 6/11 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 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 (Q) 2.0 30 75 95 110 ns 4.5 8 151922 6.0 7 131619 tTLH tTHL Output Transition Time (TP) 2.0 116 225 280 340 ns 4.5 29 45 56 68 6.0 25 38 48 57 tPLH tPHL Propagation Delay Time (CLK - Q) 2.0 145 330 415 ns 4.5 43 66 83 15 6.0 37 56 71 84 tPHL Propagation Delay Time (CLR - Q) 2.0 110 260 325 390 ns 4.5 34 52 65 78 6.0 29 44 55 66 fMAX Maximum Clock Frequency 2.0 6.0 20 5 4 MHz 4.5 32 64 26 21 6.0 38 75 31 25 tW(L) tW(H) Minimum Pulse Width (CLK) 2.0 40 75 95 110 ns 4.5 8 151922 6.0 7 131620 tW(L) Minimum Pulse Width (CLR) 2.0 40 100 125 150 ns 4.5 10 20 25 30 6.0 9 172126 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 23 pF |
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