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M74HC4514M1R Scheda tecnica(PDF) 5 Page - STMicroelectronics |
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M74HC4514M1R Scheda tecnica(HTML) 5 Page - STMicroelectronics |
5 / 10 page M74HC4514 5/12 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns) CAPACITIVE CHARACTERISTICS 1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC 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 95 110 ns 4.5 8 15 19 25 6.0 7 13 16 23 tPLH tPHL Propagation Delay Time (DATA - Sn) 2.0 65 175 220 230 ns 4.5 22 35 44 56 6.0 19 30 37 45 tPLH tPHL Propagation Delay Time (STROBE- Sn.) 2.0 75 175 220 260 ns 4.5 24 35 44 56 6.0 20 30 37 45 tPLH tPHL Propagation Delay Time (INHIBIT - Sn) 2.0 60 175 220 260 ns 4.5 20 35 44 56 6.0 17 30 37 45 tW(L) Minimum Pulse Width (STROBE) 2.0 14 75 95 110 ns 4.5 6 15 19 26 6.0 6 13 16 23 ts Minimum Set Up Time (DATA) 2.0 10 50 65 80 ns 4.5 2 10 13 20 6.0 1 9 11 17 th Minimum Hold Time (DATA) 2.0 5 5 5 ns 4.5 5 5 5 6.0 5 5 5 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. CIN Input Capacitance 510 10 10 pF CPD Power Dissipation Capacitance (note 1) 61 pF |
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