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M54HC375 数据表(PDF) 5 Page - STMicroelectronics |
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M54HC375 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 11 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 (DATA - Q, Q) 2.0 56 115 145 175 ns 4.5 14 23 29 35 6.0 12 20 25 30 tPLH tPHL Propagation Delay Time (G - Q, Q) 2.0 52 105 130 160 ns 4.5 13 21 26 32 6.0 11 18 22 27 t(W)H Minimum Enable Pulse Width (G) 2.0 12 75 95 115 ns 4.5 3 151923 6.0 3 131620 ts Minimum Set-up Time (DATA - G) 2.0 20 75 95 115 ns 4.5 5 151923 6.0 4 131620 th Minimum Hold Time (DATA - G) 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 52 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 M54/M74HC375 5/11 |
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