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7438 数据表(PDF) 2 Page - Fairchild Semiconductor |
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7438 数据表(HTML) 2 Page - Fairchild Semiconductor |
2 / 5 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) Switching Characteristics at VCC = 5V and TA = 25°C Note 2: All typicals are at VCC = 5V, TA = 25°C. Supply Voltage 7V Input Voltage 5.5V Output Voltage 7V 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 VOH HIGH Level Output Voltage 5.5 V IOL LOW Level Output Current 48 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 ICEX HIGH Level VCC = Min, VO = 5.5V 250 µA Output Current VIL = Max VOL LOW Level VCC = Min, IOL = Max 0.4 V Output Voltage VIH = Min 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 ICCH Supply Current with Outputs HIGH VCC = Max 5 8.5 mA ICCL Supply Current with Outputs LOW VCC = Max 34 54 mA Symbol Parameter Conditions Min Max Units tPLH Propagation Delay Time CL = 45 pF 22 ns LOW-to-HIGH Level Output RL = 133Ω tPHL Propagation Delay Time 18 ns HIGH-to-LOW Level Output |
类似零件编号 - 7438 |
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类似说明 - 7438 |
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