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M54HC131F1R データシート(PDF) 6 Page - STMicroelectronics |
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M54HC131F1R データシート(HTML) 6 Page - STMicroelectronics |
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6 / 12 page ![]() AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns) Symbol Parameter Test Conditions Value Unit VCC (V) TA =25 oC 54HC and 74HC -40 to 85 oC 74HC -55 to 125 oC 54HC 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 (CLOCK - Yn) 2.0 78 200 250 300 ns 4.5 26 40 50 60 6.0 22 34 43 51 tPLH tPHL Propagation Delay Time (G - Yn) 2.0 60 140 175 210 ns 4.5 15 28 35 42 6.0 13 24 30 36 tW(H) tW(L) Minimum Pulse Width (CLOCK) 2.0 20 75 95 110 ns 4.5 6 151922 6.0 6 131619 ts Minimum Set-up Time 2.0 25 50 65 75 ns 4.5 5 101315 6.0 5 9 11 13 th Minimum Hold Time 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 CIN Input Capacitance 5 10 10 10 pF CPD (*) Power Dissipation Capacitance 37 pF (*) 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 operting current can be obtained by the following equation. ICC(opr) = CPD •VCC •fIN +ICC SWITCHING CHARACTERISTICS TEST CIRCUIT INPUT WAVEFORM M54/M74HC131 6/12 |
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