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DM74ALS74AM 数据表(PDF) 4 Page - Fairchild Semiconductor |
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DM74ALS74AM 数据表(HTML) 4 Page - Fairchild Semiconductor |
4 / 7 page www.fairchildsemi.com 4 Electrical Characteristics over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C. Note 4: ICC is measured with D, CLK and PRESET grounded, then with D, CLK and CLEAR grounded. Note 5: IIL PRE and CLR pins not guaranteed to meet specifications with both PRE and CLK LOW. Switching Characteristics over recommended operating free air temperature range. Symbol Parameter Conditions Min Typ Max Units VIK Input Clamp Voltage VCC = 4.5V, II = −18 mA −1.5 V VOH HIGH Level IOH = −0.4 mA VCC − 2V Output Voltage VCC = 4.5V to 5.5V VOL LOW Level VCC = 4.5V IOL = 8 mA 0.35 0.5 V Output Voltage VIH = 2V II Input Current @ VCC = 5.5V, Clock, D 0.1 mA Max Input Voltage VIH = 7V Preset, Clear 0.2 IIH HIGH Level VCC = 5.5V, Clock, D 20 µA Input Current VIH = 2.7V Preset, Clear 40 IIL LOW Level VCC = 5.5V, Clock, D −0.2 mA Input Current VIL = 0.4V Preset, Clear (Note 5) −0.4 IO Output Drive Current VCC = 5.5V, VO = 2.25V −30 −112 mA ICC Supply Current VCC = 5.5V (Note 4) 2.4 4 mA Parameter Conditions From To Min Max Units fMAX VCC = 4.5V to 5.5V 34 MHz tPLH RL = 500Ω Preset or Clear Q or Q 313 ns tPHL CL = 50 pF 515 ns tPLH Clock Q or Q 516 ns tPHL 518 ns |
类似零件编号 - DM74ALS74AM |
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类似说明 - DM74ALS74AM |
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