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M74HCT74 Folha de dados(PDF) 4 Page - STMicroelectronics |
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M74HCT74 Folha de dados(HTML) 4 Page - STMicroelectronics |
4 / 10 page M74HCT74 4/10 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/2 (per FLIP/ FLOP) 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 4.5 8 151922 ns tPLH tPHL Propagation Delay Time (CLOCK-Q) 4.5 21 33 41 50 ns tPLH tPHL Propagation Delay Time (CL,PR - Q,Q) 4.5 18 30 38 45 ns fMAX Maximum Clock Frequency 4.5 27 48 22 18 MHz tW(H) tW(L) Minimum Pulse Width (CLOCK) 4.5 6 151923 ns tW(L) Minimum Pulse Width (CLR, PR) 4.5 8 151923 ns ts Minimum Set-Up Time 4.5 7 151923 ns th Minimum Hold Time 4.5 0 0 0 ns tREM Minimum Removal Time (CLR, PR to CLOCK) 4.5 155658 ns 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 101010 pF CPD Power Dissipation Capacitance (note 1) 32 pF |
Nº de peça semelhante - M74HCT74 |
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Descrição semelhante - M74HCT74 |
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