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M54HC354 数据表(PDF) 6 Page - STMicroelectronics |
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M54HC354 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 12 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 (Dn, DC - Y, W) 2.0 50 83 210 265 315 ns 4.5 26 42 53 63 6.0 21 36 45 54 2.0 150 99 250 315 375 ns 4.5 31 50 63 75 6.0 25 43 54 64 tPLH tPHL Propagation Delay Time (Sn - Y, W) 2.0 50 98 260 325 390 ns 4.5 30 52 65 78 6.0 25 44 55 66 2.0 150 114 300 375 450 ns 4.5 35 60 75 90 6.0 29 51 64 77 tPLH tPHL Propagation Delay Time (SC - Y, W) 2.0 50 102 270 340 405 ns 4.5 31 54 68 81 6.0 27 46 58 69 2.0 150 118 310 390 465 ns 4.5 36 62 78 93 6.0 31 53 66 79 tPZL tPZH 3 State Output Enable Time 2.0 50 RL =1 K Ω 44 125 155 190 ns 4.5 14 25 31 38 6.0 12 21 26 32 2.0 150 RL =1 K Ω 60 165 205 250 ns 4.5 19 33 41 50 6.0 16 28 35 43 tPLZ tPHZ 3 State Output Disable Time 2.0 50 RL =1 K Ω 42 155 195 235 ns 4.5 20 31 39 47 6.0 17 26 33 40 tW(L) Minimum Pulse Width (DC) (SC) 2.0 50 18 75 95 110 ns 4.5 6 151922 6.0 6 131619 ts Minimum Set-up Time (Dn) (Sn) 2.0 50 10 50 65 75 ns 4.5 3 101315 6.0 3 9 11 13 th Minimum Hold Time (Dn) (Sn) 2.0 50 555 ns 4.5 5 5 5 6.0 5 5 5 CIN Input Capacitance 5 10 10 10 pF CPD (*) Power Dissipation Capacitance 77 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/M74HC354 6/12 |
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