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DM74157N Datasheet(PDF) 2 Page - Fairchild Semiconductor |
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DM74157N Datasheet(HTML) 2 Page - Fairchild Semiconductor |
2 / 3 page www.fairchildsemi.com 2 Absolute Maximum Ratings(Note 1) Note 1: The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Note 2: All typicals are at VCC = 5V, TA = 25°C. Note 3: Not more than one output should be shorted at a time. Note 4: ICC is measured with 4.5V applied to all inputs and all outputs OPEN. Switching Characteristics at VCC = 5V and TA = 25°C Supply Voltage 7V Input Voltage 5.5V Operating Free Air Temperature Range 0 °C to +70°C Storage Temperature Range −65°C to +150°C Symbol Parameter Min Nom Max Units VCC Supply Voltage 4.75 5 5.25 V VIH HIGH Level Input Voltage 2 V VIL LOW Level Input Voltage 0.8 V IOH HIGH Level Output Current −0.8 mA IOL LOW Level Output Current 16 mA TA Free Air Operating Temperature 0 70 °C Symbol Parameter Conditions Min Typ Max Units (Note 2) VI Input Clamp Voltage VCC = Min, II = −12 mA −1.5 V VOH HIGH Level VCC = Min, IOH = Max 2.4 3.4 V Output Voltage VIL = Max, VIH = Min VOL LOW Level VCC = Min, IOL = Max 0.4 V Output Voltage VIH = Min, VIL = Max II Input Current @ Max Input Voltage VCC = Max, VI = 5.5V 1 mA IIH HIGH Level Input Current VCC = Max, VI = 2.4V 40 µA IIL LOW Level Input Current VCC = Max, VI = 0.4V −1.6 mA IOS Short Circuit Output Current VCC = Max (Note 3) −18 −55 mA ICC Supply Current VCC = Max (Note 4) 30 48 mA Symbol Parameter From (Input) RL = 400Ω, CL = 15 pF Units To (Output) Min Max tPLH Propagation Delay Time Data to Y 14 ns LOW-to-HIGH Level Output tPHL Propagation Delay Time Data to Y 14 ns HIGH-to-LOW Level Output tPLH Propagation Delay Time Strobe to Y 20 ns LOW-to-HIGH Level Output tPHL Propagation Delay Time Strobe to Y 21 ns HIGH-to-LOW Level Output tPLH Propagation Delay Time Select to Y 23 ns LOW-to-HIGH Level Output tPHL Propagation Delay Time Select to Y 27 ns HIGH-to-LOW Level Output |
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Descripción similar - DM74157N |
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