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74VHC574T 数据表(PDF) 4 Page - STMicroelectronics |
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74VHC574T 数据表(HTML) 4 Page - STMicroelectronics |
4 / 10 page CAPACITIVE CHARACTERISTICS Symb ol Parameter T est Cond ition s Val ue Un it TA =25 oC -40 to 85 oC Min. Typ . Max. Min . Max. CIN Input Capacitance 4 10 10 pF COUT Output Capacitance 6 pF CPD Power Dissipation Capacitance (note 1) 28 pF 1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto Test Circuit).Average operating current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN +ICC/8 (per Flip-Flop) AC ELECTRICAL CHARACTERISTICS (Input tr =tf =3 ns) Symb ol Parameter Test Co nditi on Val ue Un it VCC (V) CL (pF ) TA =25 oC -40 to 85 oC Min. Typ . Max. Min . Max. tPLH tPHL Propagation Delay Time CK to Q 3.3 (*) 15 8.5 13.2 1.0 15.5 ns 3.3 (*) 50 11.0 16.7 1.0 19.0 5.0 (**) 15 5.6 8.6 1.0 10.0 5.0 (**) 50 7.1 10.6 1.0 12.0 tPZL tPZH Output EnableTime 3.3 (*) 15 8.2 12.8 1.0 15.0 ns 3.3 (*) 50 10.7 16.3 1.0 18.5 5.0 (**) 15 5.9 9.0 1.0 10.5 5.0 (**) 50 7.4 11.0 1.0 12.5 tPLZ tPHZ Output Disable Time 3.3 (*) 50 11.0 15.0 1.0 17.0 ns 5.0 (**) 50 7.1 10.1 1.0 11.5 tw Clock Pulse Width HIGH or LOW 3.3 (*) 5.0 5.0 ns 5.0 (**) 5.0 5.0 ts Setup Time D to CK HIGH or LOW 3.3 (*) 3.5 3.5 ns 5.0 (**) 3.5 3.5 th Hold Time D to CK HIGH or LOW 3.3 (*) 1.5 1.5 ns 5.0 (**) 1.5 1.5 fMAX Maximum Clock Frequency 3.3 (*) 15 80 125 65 MHz 3.3 (*) 50 50 75 45 5.0 (**) 15 130 180 110 5.0 (**) 50 85 115 75 tOSLH tOSHL Output to Output Skew Time (note 1) 3.3 (*) 50 1.5 1.5 ns 5.0 (**) 50 1.0 1.0 (*) Voltage range is 3.3V ± 0.3V (**) Voltage range is 5V ± 0.5V Note 1: Parameter guaranteed by design. tsoLH =|tpLHm-tpLHn|, tsoHL =|tpHLm -tpHLn| 74VHC574 4/10 |
类似零件编号 - 74VHC574T |
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类似说明 - 74VHC574T |
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