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M74HC166 Datasheet(PDF) 6 Page - STMicroelectronics |
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M74HC166 Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 12 page M74HC166 6/12 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 151922 6.0 7 131619 tPLH tPHL Propagation Delay Time (CLOCK - QH) 2.0 70 150 190 225 ns 4.5 20 30 38 45 6.0 16 26 32 38 tPHL Propagation Delay Time (CLEAR - QH) 2.0 60 135 170 205 ns 4.5 18 27 34 41 6.0 14 23 29 35 fMAX Maximum Clock Frequency 2.0 6.2 14 5.0 4.2 MHz 4.5 31 50 25 21 6.0 37 63 30 25 tW(H) tW(L) Minimum Pulse Width (CLOCK) 2.0 28 75 95 110 ns 4.5 6 151922 6.0 5 131619 tW(L) Minimum Pulse Width (CLEAR) 2.0 28 75 95 110 ns 4.5 6 151922 6.0 5 131619 ts Minimum Set-up Time (SI, PI) 2.0 20 75 95 110 ns 4.5 4 151922 6.0 3 131619 ts Minimum Set-up Time (SHIFT/ LOAD) 2.0 25 75 95 110 ns 4.5 5 151922 6.0 3 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 2.0 12 50 65 75 ns 4.5 3 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 60 pF |
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