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M74HC161B1R データシート(PDF) 6 Page - STMicroelectronics |
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M74HC161B1R データシート(HTML) 6 Page - STMicroelectronics |
6 / 12 page M74HC161 6/12 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 TEST CIRCUIT CL = 50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50Ω) WAVEFORM 1: PROPAGATION DELAY TIMES, CLOCK MINIMUM PULSE WIDTH (f=1MHz; 50% duty cycle) 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 50 pF |
同様の部品番号 - M74HC161B1R |
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同様の説明 - M74HC161B1R |
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