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M54HC573 数据表(PDF) 5 Page - STMicroelectronics |
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M54HC573 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 12 page ![]() M54HC573 5/12 Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr =tf = 6ns) Symbol Parameter Test Condition Value Unit VCC (V) CL (pF) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. tTLH tTHL Output Transition Time 2.0 50 25 60 75 90 ns 4.5 7 12 15 18 6.0 6 10 13 15 tPLH tPHL Propagation Delay Time (LE - Q) 2.0 50 50 115 145 175 ns 4.5 15 23 29 35 6.0 13 20 25 30 2.0 150 60 155 195 235 ns 4.5 20 31 39 47 6.0 17 26 33 40 tPLH tPHL Propagation Delay Time (D - Q) 2.0 50 42 110 140 165 ns 4.5 14 22 28 33 6.0 12 19 24 28 2.0 150 57 150 190 225 ns 4.5 19 30 38 45 6.0 16 26 32 38 tPZL tPZH High Impedance Output Enable Time 2.0 50 RL =1 KΩ 55 140 175 210 ns 4.5 17 28 35 42 6.0 14 24 30 36 2.0 150 RL =1 KΩ 66 180 225 270 ns 4.5 22 36 45 54 6.0 19 31 38 46 tPLZ tPHZ High Impedance Output Disable Time 2.0 50 RL =1 KΩ 40 125 155 190 ns 4.5 17 25 31 38 6.0 15 21 26 32 tW(L) tW(H) Minimum Pulse Width 2.0 50 40 75 95 110 ns 4.5 8 15 19 22 6.0 7 13 16 19 ts Minimum Set-up Time 2.0 50 16 50 65 75 ns 4.5 5 10 13 15 6.0 3 9 11 13 th Minimum Hold Time 2.0 50 55 5 ns 4.5 5 5 5 6.0 5 5 5 |
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