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M74HC173C1R 数据表(PDF) 5 Page - STMicroelectronics |
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M74HC173C1R 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 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 (CLOCK - Q) 2.0 50 50 115 145 175 ns 4.5 14 23 29 35 6.0 12 20 25 30 2.0 150 65 145 180 220 ns 4.5 18 29 36 44 6.0 15 25 31 37 tPLH tPHL Propagation Delay Time (CLEAR - Q) 2.0 50 50 115 145 175 ns 4.5 14 23 29 35 6.0 12 20 25 30 2.0 150 65 145 180 220 ns 4.5 18 29 36 44 6.0 15 25 31 37 fMAX Maximum Clock Frequency 2.0 50 8.6 20 6.8 5.8 MHz 4.5 43 67 34 29 6.0 51 84 40 34 tPZL tPZH Output Enable Time 2.0 50 RL =1K Ω 50 115 145 175 ns 4.5 14 23 29 35 6.0 12 20 25 30 2.0 150 RL =1K Ω 65 145 180 220 ns 4.5 18 29 36 44 6.0 15 25 31 37 tPLZ tPHZ Output Disable Time 2.0 50 RL =1K Ω 36 105 130 160 ns 4.5 15 21 26 32 6.0 13 18 22 27 tW(H) tW(L) Minimum Pulse Width (CLOCK) 2.0 50 16 75 95 110 ns 4.5 4 151922 6.0 3 131619 tW(L) Minimum Pulse Width (CLEAR) 2.0 50 16 75 95 110 ns 4.5 4 151922 6.0 3 131619 ts Minimum Set-up Time (G1, G2) 2.0 50 40 100 125 150 ns 4.5 10 20 25 30 6.0 9 172126 ts Minimum Set-up Time (D) 2.0 50 24 75 95 110 ns 4.5 6 151922 6.0 5 131619 th Minimum Hold Time (G1, G2, D) 2.0 50 000 ns 4.5 0 0 0 6.0 0 0 0 M54/M74HC173 5/12 |
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