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DM74ALS244AMSA Arkusz danych(PDF) 2 Page - Fairchild Semiconductor |
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DM74ALS244AMSA Arkusz danych(HTML) 2 Page - Fairchild Semiconductor |
2 / 6 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 (unless otherwise specified) Switching Characteristics over recommended operating free-air temperature range Supply Voltage, VCC 7V Input Voltage 7V Voltage Applied to Disabled Output 5.5V Operating Free Air Temperature Range 0 °C to +70°C Storage Temperature Range −65°C to +150°C Typical θ JA N Package 60.5 °C/W M Package 79.8 °C/W Symbol Parameter Min Typ Max Units VCC Supply Voltage 4.5 5 5.5 V VIH HIGH Level Input Voltage 2 V VIL LOW Level Input Voltage 0.8 V IOH HIGH Level Output Current −15 mA IOL LOW Level Output Current 24 mA TA Operating Free-Air Temperature 0 70 °C Symbol Parameter Conditions Min Typ Max Units VIK Input Clamp Voltage VCC = 4.5V, II = −18 mA −1.5 V VOH HIGH Level VCC = 4.5V to 5.5V IOH = −0.4 mA VCC−2V Output Voltage VCC = 4.5V IOH = −3 mA 2.4 V IOH = Max 2 V VOL LOW Level VCC = 4.5V 0.35 0.5 V Output Voltage IOL = 24 mA II Input Current at Maximum Input Voltage VCC = 5.5V, VI = 7V 0.1 mA IIH HIGH Level Input Current VCC = 5.5V, VI = 2.7V 20 µA IIL LOW Level Input Current VCC = 5.5V, VIL = 0.4V −0.1 mA IO Output Drive Current VCC = 5.5V, VO = 2.25V −30 −112 mA IOZH HIGH Level 3-STATE Output Current VCC = 5.5V, VO = 2.7V 20 µA IOZL LOW Level 3-STATE Output Current VCC = 5.5V, VO = 0.4V −20 µA ICC Supply Current VCC = 5.5V 915 mA Outputs HIGH Outputs LOW 15 24 mA Outputs 3-STATE 17 27 mA Symbol Parameter Conditions From (Input) To (Output) Min Max Units tPLH Propagation Delay Time VCC = 4.5V to 5.5V, A Y 3 10 ns LOW-to-HIGH Level Output CL = 50 pF, tPHL Propagation Delay Time R1 = 500Ω, A Y 3 10 ns HIGH-to-LOW Level Output R2 = 500Ω, tPZH Output Enable Time to HIGH Level Output TA = Min to Max G Y 3 20 ns tPZL Output Enable Time to LOW Level Output G Y 3 20 ns tPHZ Output Disable Time from HIGH Level Output G Y 2 10 ns tPLZ Output Disable Time from LOW Level Output G Y 1 13 ns |
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Podobny opis - DM74ALS244AMSA |
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