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M74HC192M1R Scheda tecnica(PDF) 7 Page - STMicroelectronics |
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M74HC192M1R Scheda tecnica(HTML) 7 Page - STMicroelectronics |
7 / 14 page M74HC192 7/14 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 tW(H) tW(L) Minimum Pulse Width (COUNT UP/ DOWN) 2.0 34 100 125 150 ns 4.5 9 202530 6.0 7 172126 tW(L) Minimum Pulse Width (LOAD) 2.0 34 75 95 110 ns 4.5 9 151922 6.0 7 131619 tW(H) Minimum Pulse Width (CLEAR) 2.0 40 100 125 150 ns 4.5 12 20 25 30 6.0 10 17 21 26 ts Minimum Set-up Time(DATA -LOAD) 2.0 30 75 95 110 ns 4.5 9 151922 6.0 7 131619 th Minimum Hold Time 2.0 0 0 0 ns 4.5 0 0 0 6.0 0 0 0 tREM Minimum Removal Time (LOAD) 2.0 6 506575 ns 4.5 2 101315 6.0 2 9 11 13 tREM Minimum Removal Time (CLEAR) 2.0 14 50 65 75 ns 4.5 4 101315 6.0 3 9 11 13 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 5.0 5 101010 pF CPD Power Dissipation Capacitance (note 1) 5.0 68 pF 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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