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74ACT374M 数据表(PDF) 5 Page - STMicroelectronics |
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74ACT374M 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 10 page ![]() CAPACITIVE CHARACTERISTICS Symbol Parameter Test Con dition s Value Unit VCC (V) TA =25 oC-40 to 85 oC Mi n. Typ. Max. Min . Max. COUT Output Capacitance 5.0 8 pF CIN Input Capacitance 5.0 4 pF CPD Power Dissipation Capacitance (note 1) 5.0 25 pF 1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD • VCC •fIN +ICC/n (per circuit) AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr =tf =3 ns) Symbol Parameter T est Cond iti on Value Unit VCC (V) TA =25 oC-40 to 85 oC Mi n. Typ. Max. Min . Max. tPLH tPHL Propagation Delay Time CK to Q 5.0 (*) 5.0 10.0 11.0 ns tPZL tPZH Output Enable Time 5.0 (*) 6.0 10.0 11.0 ns tPLZ tPHZ Output Disable Time 5.0 (*) 6.5 10.0 11.0 ns tw CK Pulse Width, HIGH or LOW 5.0 (*) 1.5 5.0 5.0 ns ts Setup Time Q to CK HIGH or LOW 5.0 (*) 0.5 5.0 5.0 ns th Hold Time Q to CK HIGH or LOW 5.0 (*) -0.5 2.0 2.0 ns fMAX Maximim Clock Frequency 5.0 (*) 100 260 85 MHz (*) Voltage range is 5V ± 0.5V 74ACT374 5/10 |
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