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74ACT299B 数据表(PDF) 7 Page - STMicroelectronics |
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74ACT299B 数据表(HTML) 7 Page - STMicroelectronics |
7 / 13 page AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr =tf =3 ns) Symb ol Parameter T est Con ditio n Valu e Un it VCC (V) TA =25 oC -40 to 85 oC Min. T yp. Max. Mi n. Max. tPLH tPHL Propagation Delay Time CLOCK to Q’A,Q’H 5.0 (*) 7.2 10.5 1.0 12.0 ns tPLH tPHL Propagation Delay Time CLOCK to QA -QH 5.0 (*) 7.4 11.4 1.0 13.0 ns tPHL Propagation Delay Time CLEAR to Q’A,Q’H 5.0 (*) 6.0 10.0 1.0 11.5 ns tPHL Propagation Delay Time CLEAR to QA -QH 5.0 (*) 6.3 10.5 1.0 12.0 ns tPZL tPZH Output Enable Time 5.0 (*) 7.4 11.4 1.0 13.0 ns tPLZ tPHZ Output Disable Time 5.0 (*) 7.2 9.6 1.0 11.0 ns tw CLEAR pulse Width, LOW 5.0 (*) 5.0 5.0 ns tw CLOCK pulse Width 5.0 (*) 5.0 5.0 ns ts Setup Time HIGH or LOW (S0 or S1 to CK) 5.0 (*) 6.0 6.5 ns th Hold Time HIGH or LOW (S0 or S1 to CK) 5.0 (*) 0.0 0.0 ns ts Setup Time HIGH or LOW (SR or SL to CK) 5.0 (*) 3.5 3.5 ns th Hold Time HIGH or LOW (SR or SL to CK) 5.0 (*) 2.0 2.0 ns tREM Recovery Time CLR to Q 5.0 (*) 2.0 2.0 ns fMAX Maximum Clock Frequency 5.0 (*) 80 120 80 MHz *) Voltage range is 5V ± 0.5V CAPACITIVE CHARACTERISTICS Symb ol Parameter Test Co nditi ons Valu e Un it VCC (V) TA =25 oC -40 to 85 oC Min. T yp. Max. Mi n. Max. CIN Input Capacitance 5.0 510 10 pF CI/O Bus Input Capacitance 5.0 13 CPD Power Dissipation Capacitance (note 1) 5.0 fIN = 10 MHz 160 pF 1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto 74ACT299 7/13 |
类似零件编号 - 74ACT299B |
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类似说明 - 74ACT299B |
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