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M74HC4538 Folha de dados(PDF) 9 Page - STMicroelectronics |
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M74HC4538 Folha de dados(HTML) 9 Page - STMicroelectronics |
9 / 18 page M74HC4538 Electrical characteristics 9/18 trr Minimum retrigger time 2.0 Cx = 0.1 μF Rx = 1K Ω 380 ns 4.5 92 6.0 72 2.0 Cx = 0.01 μF Rx = 1K Ω 6 μs 4.5 1.4 6.0 1.2 Table 7. AC electrical characteristics (CL = 50 pF, Input tr = tf = 6 ns) (continued) 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 Table 8. Capacitive characteristics 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 10 10 10 pF CPD Power dissipation capacitance (1) 5.0 70 pF 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’ Duty/100 + Ic/2(per monostable) (Icc’ : Active Supply current) (Duty : %) |
Nº de peça semelhante - M74HC4538 |
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Descrição semelhante - M74HC4538 |
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