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M54HC597D 数据表(PDF) 6 Page - STMicroelectronics |
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M54HC597D 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 14 page ![]() M54HC597 6/14 Table 6: AC Electrical Characteristics (CL = 50 pF, Input tr =tf = 6ns) 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. tTLH tTHL Output Transition Time 2.0 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 78 145 180 220 ns 4.5 20 29 36 44 6.0 16 25 31 37 tPLH tPHL Propagation Delay Time (SCLR - QH’) 2.0 90 175 220 265 ns 4.5 24 35 44 53 6.0 20 30 37 45 tPLH tPHL Propagation Delay Time (SLOAD -QH’) 2.0 80 175 220 265 ns 4.5 22 35 44 53 6.0 18 30 37 45 tPLH tPHL Propagation Delay Time (RCK- QH’) 2.0 SLOAD ="L" 112 210 265 315 ns 4.5 30 42 53 63 6.0 24 36 45 54 fMAX Maximum Clock Frequency 2.0 6.0 12 4.8 4.0 MHz 4.5 30 482420 6.0 35 502824 tW(H) tW(L) Minimum Pulse Width (SCK, RCK) 2.0 20 75 95 110 ns 4.5 7 15 19 22 6.0 4 13 16 19 tW(L) Minimum Pulse Width (SCLR, SLOAD) 2.0 25 75 95 110 ns 4.5 7 15 19 22 6.0 5 13 16 19 ts Minimum Set-up Time (RCK - SLOAD) 2.0 48 100 125 150 ns 4.5 12 20 25 30 6.0 10 17 21 26 ts Minimum Set-up Time (SI, SCK) 2.0 20 75 95 110 ns 4.5 5 15 19 22 6.0 4 13 16 19 ts Minimum Set-up Time (PI, RCK) 2.0 20 75 95 110 ns 4.5 5 15 19 22 6.0 4 13 16 19 th Minimum Hold Time 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 tREM Minimum Removal Time 2.0 12 75 95 115 ns 4.5 4 15 19 23 6.0 3 13 16 20 |
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