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M74HC373C1R Datasheet(PDF) 6 Page - STMicroelectronics |
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M74HC373C1R Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 13 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 (LE, D - Q, Q) 2.0 50 42 125 155 190 ns 4.5 14 25 31 38 6.0 12 21 26 32 2.0 150 57 175 220 265 ns 4.5 19 35 44 53 6.0 16 30 37 45 tPZL tPZH 3 State Output Enable Time 2.0 50 RL =1 K Ω 39 125 155 190 ns 4.5 13 25 31 38 6.0 11 21 26 32 2.0 150 RL =1 K Ω 54 175 220 265 ns 4.5 18 35 44 53 6.0 15 30 37 45 tPLZ tPHZ 3 State Output Disable Time 2.0 50 RL =1 K Ω 30 125 155 190 ns 4.5 14 25 31 38 6.0 13 21 26 32 tW(H) Minimum Pulse Width (LE) 2.0 50 15 75 95 110 ns 4.5 6 151922 6.0 6 131619 ts Minimum Set-up Time 2.0 50 16 50 65 75 ns 4.5 4 101315 6.0 3 9 11 13 th Minimum Hold Time 2.0 50 555 ns 4.5 5 5 5 6.0 5 5 5 CIN Input Capacitance 5 10 10 10 pF COUT Out put Capacitance 10 pF CPD (*) Power Dissipation Capacitance 38 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/8 (per Flip Flop) and the CPD when n pcs of Flip Flop operate, can be gained by following equation: CPD (TOTAL) = 22 + 16 x n [pF] M54/M74HC373/533 6/13 |
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