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M74HC564 데이터시트(PDF) 6 Page - STMicroelectronics |
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M74HC564 데이터시트(HTML) 6 Page - STMicroelectronics |
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6 / 13 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 (CLOCK - Q, Q) 2.0 50 70 150 190 225 ns 4.5 20 30 38 45 6.0 15 26 32 38 2.0 150 88 190 240 285 ns 4.5 25 38 48 57 6.0 19 32 41 48 tPZL tPZH 3 State Output Enable Time 2.0 50 RL =1 K Ω 48 125 155 190 ns 4.5 15 25 31 38 6.0 12 21 26 32 2.0 150 RL =1 K Ω 60 165 205 250 ns 4.5 20 33 41 50 6.0 16 28 35 43 tPLZ tPHZ 3 State Output Disable Time 2.0 50 RL =1 K Ω 34 125 155 190 ns 4.5 17 25 31 38 6.0 15 21 26 32 fMAX Maximum CLock Frequency 2.0 50 6.2 18 5 4.2 ns 4.5 31 75 25 21 6.0 37 90 30 25 tW(L) tW(H) Minimum Pulse Width (CLOCK) 2.0 50 15 75 95 110 ns 4.5 6 151922 6.0 6 131619 ts Minimum Set-up Time 2.0 50 25 75 95 110 ns 4.5 6 151922 6.0 4 131619 th Minimum Hold Time 2.0 50 000 ns 4.5 0 0 0 6.0 0 0 0 CIN Input Capacitance 5 10 10 10 pF COUT Out put Capacitance 10 pF CPD (*) Power Dissipation Capacitance 54 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 M54/M74HC564/574 6/13 |
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