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M74HCT367C1R Folha de dados(PDF) 5 Page - STMicroelectronics |
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M74HCT367C1R Folha de dados(HTML) 5 Page - STMicroelectronics |
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 7 12 15 18 ns tPLH tPHL Propagation Delay Time (for HCT367 only) 2.0 50 14 22 28 33 ns 2.0 150 18 28 35 42 tPLH tPHL Propagation Delay Time (for HCT368 only) 2.0 50 15 24 30 36 ns 2.0 150 19 30 38 45 tPZL tPZH Output Enable Time 2.0 50 16 25 31 38 ns 2.0 150 20 31 39 47 tPLZ tPHZ Output Disable Time 2.0 50 18 25 31 38 ns CIN Input Capacitance 5 10 10 10 pF CPD (*) Power Dissipation Capacitance fot HCT367 for HCT368 47 55 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/6 (per Channel) TEST CIRCUIT ICC (Opr.) * INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST. CPD CALCULATION CPD is to be calculated with the following formula by using the measured value of ICC (opr.) in the test circuit opposite. CPD = ICC (opr) fIN × VCC In determining the typical value of CPD,a relatively high frequency of 1 MHz was ap- plied to fIN, in order to eliminate any error caused by the quiescent supply current. M54/M74HCT367/368 5/11 |
Nº de peça semelhante - M74HCT367C1R |
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Descrição semelhante - M74HCT367C1R |
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