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DM74AS161M Folha de dados(PDF) 5 Page - Fairchild Semiconductor |
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DM74AS161M Folha de dados(HTML) 5 Page - Fairchild Semiconductor |
5 / 7 page 5 www.fairchildsemi.com Electrical Characteristics over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C Note 2: The output conditions have been chosen to produce a current that closely approximates one half of the true short circuit output current, IOS. 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 −1.2 V VOH HIGH Level IOH = −2 mA, VCC − 2V Output Voltage VCC = 4.5 to 5.5V VOL LOW Level VCC = 4.5V, 0.35 0.5 V Output Voltage IOL = 20 mA II Input Current @ Max VCC = 5.5V, LOAD 0.3 Input Voltage VIH = 7V ENT 0.2 mA Others 0.1 IIH HIGH Level Input Current VCC = 5.5V, LOAD 60 VIH = 2.7V ENT 40 µA Others 20 IIL LOW Level Input Current VCC = 5.5V, LOAD −0.5 VIL = 0.4V ENT −1mA Others −0.5 IO (Note 2) Output Drive Current VCC = 5.5V, VO = 2.25V −30 −112 mA ICC Supply Current VCC = 5.5V 35 53 mA Symbol Parameter Conditions From To Min Max Units fMAX Maximum Clock Frequency VCC = 4.5V to 5.5V 75 MHz tPHL Propagation Delay Time RL = 500Ω Clock Ripple Carry 2 12.5 ns HIGH-to-LOW Level Output CL = 50 pF tPLH Propagation Delay Time Clock Ripple Carry 1 8 ns LOW-to-HIGH Level Output with Load HIGH tPLH Propagation Delay Time Clock Ripple Carry 3 16.5 ns LOW-to-HIGH Level Output with Load LOW tPLH Propagation Delay Time Clock Any Q 1 7 ns LOW-to-HIGH Level Output tPHL Propagation Delay Time Clock Any Q 2 13 ns HIGH-to-LOW Level Output tPLH Propagation Delay Time En T Ripple Carry 1.5 9 ns LOW-to-HIGH Level Output tPHL Propagation Delay Time En T Ripple Carry 1 8.5 ns HIGH-to-LOW Level Output tPHL Propagation Delay Time CLEAR Any Q 2 13 ns HIGH-to-LOW Level Output (DM74AS161) tPHL Propagation Delay Time CLEAR Ripple Carry 2 12.5 ns HIGH-to-LOW Level Output (DM74AS161) |
Nº de peça semelhante - DM74AS161M |
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Descrição semelhante - DM74AS161M |
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