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M74HC154B1R 数据表(PDF) 5 Page - STMicroelectronics |
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M74HC154B1R 数据表(HTML) 5 Page - STMicroelectronics |
5 / 8 page AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns) Symbol Parameter Test Conditions Value Unit VCC (V) TA =25 oC -40 to 85 oC Min. Typ. Max. Min. Max. tTLH tTHL Output Transition Time 2.0 30 75 95 ns 4.5 8 15 19 6.0 7 13 16 tPLH tPHL Propagation Delay Time (A, B, C, D - Y) 2.0 65 175 220 ns 4.5 19 35 44 6.0 16 30 37 tPLH tPHL Propagation Delay Time (G1, G2 - Y) 2.0 55 160 200 ns 4.5 17 32 40 6.0 15 27 34 CIN Input Capacitance 5 10 10 pF CPD (*) Power Dissipation Capacitance 57 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 TEST CIRCUIT ICC (Opr.) INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST. M74HC154 5/8 |
类似零件编号 - M74HC154B1R |
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类似说明 - M74HC154B1R |
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