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M54HC4049 Datasheet(PDF) 5 Page - STMicroelectronics |
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M54HC4049 Datasheet(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) CL (pF) 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 50 25 60 75 90 ns 4.5 7 121518 6.0 6 101315 tPLH tPHL Propagation Delay Time 2.0 50 30 75 95 115 ns 4.5 9 151923 6.0 8 131620 2.0 150 45 100 125 150 ns 4.5 14 20 25 30 6.0 12 17 21 26 CIN Input Capacitance 5 10 10 10 pF CPD (*) Power Dissipation Capacitance 26 pF CPD isdefined 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 (per Gate) SWITCHING CHARACTERISTICS TEST WAVEFORM HC4049 HC4050 M54/M74HC4049/4050 5/11 |
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