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DM74ALS109AM 数据表(PDF) 4 Page - Fairchild Semiconductor |
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DM74ALS109AM 数据表(HTML) 4 Page - Fairchild Semiconductor |
4 / 6 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: The output conditions have been chosen to produce a current that closely approximates one half of the true short circuit output current, IOS. Note 5: ICC is measured with J, K, CLK and PRESET grounded, then with J, K, CLK and CLEAR grounded. 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 = −400 µA VCC − 2V Output Voltage VCC = 4.5V to 5.5V VOL LOW Level VCC = 4.5V IOL = 4 mA 0.25 0.4 V Output Voltage VIH = 2V IOL = 8 mA 0.35 0.5 V II Input Current at Max VCC = 5.5V, Clock, J, K 0.1 mA Input Voltage VIH = 7V Preset, Clear 0.2 IIH High Level VCC = 5.5V, Clock, J, K 20 µA Input Current VIH = 2.7V Preset, Clear 40 IIL Low Level VCC = 5.5V, Clock, J, K −0.2 mA Input Current VIL = 0.4V Preset, Clear −0.4 IO (Note 4) Output Drive Current VCC = 5.5V, VO = 2.25V −30 −112 mA ICC Supply Current VCC = 5.5V (Note 5) 2.4 4 mA Symbol Parameter Conditions From To Min Max Units fMAX Maximum Clock Frequency VCC = 4.5V to 5.5V 34 MHz tPLH Propagation Delay Time RL = 500Ω Preset or Clear Q or Q 313 ns LOW-to-HIGH Level Output CL = 50 pF tPHL Propagation Delay Time Preset or Clear Q or Q 515 ns HIGH-to-LOW Level Output tPLH Propagation Delay Time Clock Q or Q 516 ns LOW-to-HIGH Level Output tPHL Propagation Delay Time Clock Q or Q 518 ns HIGH-to-LOW Level Output |
类似零件编号 - DM74ALS109AM |
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类似说明 - DM74ALS109AM |
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