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M54HC595K 数据表(PDF) 6 Page - STMicroelectronics |
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M54HC595K 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 15 page ![]() M54HC595 6/15 Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr =tf = 6ns) ICC Quiescent Supply Current 6.0 VI =VCC or GND 440 80 µA 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 (Qn) 2.0 50 25 60 75 90 ns 4.5 7 12 15 18 6.0 6 10 13 15 tTLH tTHL Output Transition Time (QH’) 2.0 50 30 75 95 115 ns 4.5 8 15 19 23 6.0 7 13 16 20 tPLH tPHL Propagation Delay Time (SCK - QH’) 2.0 50 45 125 155 190 ns 4.5 15 25 31 38 6.0 13 21 26 32 tPLH tPHL Propagation Delay Time (SCLR - QH’) 2.0 50 60 175 220 265 ns 4.5 18 35 44 53 6.0 15 30 37 45 tPLH tPHL Propagation Delay Time (RCK - Qn) 2.0 50 60 150 190 225 ns 4.5 20 30 38 45 6.0 17 26 32 38 2.0 150 75 190 240 285 ns 4.5 25 38 48 57 6.0 22 32 41 48 tPZL tPZH High Impedance Output Enable Time 2.0 50 RL =1 KΩ 45 135 170 205 ns 4.5 15 27 34 41 6.0 13 23 29 35 2.0 150 RL =1 KΩ 60 175 220 265 ns 4.5 20 35 44 53 6.0 17 30 37 45 tPLZ tPHZ High Impedance Output Disable Time 2.0 50 RL =1 KΩ 30 150 190 225 ns 4.5 15 30 38 45 6.0 14 26 32 38 fMAX Maximum Clock Frequency 2.0 50 6.0 17 4.8 4 MHz 4.5 30 502420 6.0 35 592824 2.0 150 5.2 14 4.2 3.4 MHz 4.5 26 402117 6.0 31 452520 tW(H) Minimum Pulse Width (SCK, RCK) 2.0 50 17 75 95 110 ns 4.5 6 15 19 22 6.0 6 13 16 19 Symbol Parameter Test Condition Value Unit VCC (V) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. |
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