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DM74LS174SJ Arkusz danych(PDF) 3 Page - Fairchild Semiconductor |
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DM74LS174SJ Arkusz danych(HTML) 3 Page - Fairchild Semiconductor |
3 / 7 page 3 www.fairchildsemi.com 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. DM74LS174 Recommended Operating Conditions Note 2: CL = 15 pF, RL = 2 kΩ, TA = 25°C and VCC = 5V. Note 3: CL = 50 pF, RL = 2 kΩ, TA = 25°C and VCC = 5V. Note 4: TA = 25°C and VCC = 5V. DM74LS174 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Note 5: All typicals are at VCC = 5V, TA = 25°C. Note 6: Not more than one output should be shorted at a time, and the duration should not exceed one second. Note 7: With all outputs OPEN and 4.5V applied to all data and clear inputs, ICC is measured after a momentary ground, then 4.5V applied to the clock. Supply Voltage 7V Input 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 IOH HIGH Level Output Current −0.4 mA IOL LOW Level Output Current 8 mA fCLK Clock Frequency (Note 2) 0 30 MHz fCLK Clock Frequency (Note 3) 0 25 MHz tW Pulse Width Clock 20 ns (Note 4) Clear 20 tSU Data Setup Time (Note 4) 20 ns tH Data Hold Time (Note 4) 0 ns tREL Clear Release Time (Note 4) 25 ns TA Free Air Operating Temperature 0 70 °C Symbol Parameter Conditions Min Typ Max Units (Note 5) VI Input Clamp Voltage VCC = Min, II = −18 mA −1.5 V VOH HIGH Level VCC = Min, IOH = Max 2.7 3.4 V Output Voltage VIL = Max, VIH = Min VOL LOW Level VCC = Min, IOL = Max 0.35 0.5 Output Voltage VIL = Max, VIH = Min V IOL = 4 mA, VCC = Min 0.25 0.4 II Input Current @ Max Input Voltage VCC = Max, VI = 7V 0.1 mA IIH HIGH Level Input Current VCC = Max, VI = 2.7V 20 µA IIL LOW Level VCC = Max Clock −0.4 Input Current VI = 0.4V Clear −0.4 mA Data −0.36 IOS Short Circuit Output Current VCC = Max (Note 6) −20 −100 mA ICC Supply Current VCC = Max (Note 7) 16 26 mA |
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