поискавой системы для электроныых деталей |
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DM74LS161A датащи(PDF) 4 Page - Fairchild Semiconductor |
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DM74LS161A датащи(HTML) 4 Page - Fairchild Semiconductor |
4 / 12 page Recommended Operating Conditions Symbol Parameter DM54LS163A DM74LS163A Units Min Nom Max Min Nom Max V CC Supply Voltage 4.5 5 5.5 4.75 5 5.25 V V IH High Level Input Voltage 2 2 V V IL Low Level Input Voltage 0.7 0.8 V I OH High Level Output Current −0.4 −0.4 mA I OL Low Level Output Current 4 8 mA f CLK Clock Frequency (Note 8) 0 25 0 25 MHz Clock Frequency (Note 9) 0 20 0 20 MHz t W Pulse Width Clock 20 6 20 6 ns (Note 8) Clear 20 9 20 9 Pulse Width Clock 25 25 ns (Note 9) Clear 25 25 t SU Setup Time Data 20 8 20 8 (Note 8) Enable P 25 17 25 17 ns Load 25 15 25 15 Setup Time Data 20 20 (Note 9) Enable P 30 30 ns Load 30 30 t H Hold Time Data 0 −3 0 −3 ns (Note 8) Others 0 −3 0 −3 Hold Time Data 5 5 ns (Note 9) Others 5 5 t REL Clear Release Time (Note 8) 20 20 ns Clear Release Time (Note 9) 25 25 ns T A Free Air Operating Temperature −55 125 0 70 ˚C Note 8: CL = 15 pF, RL = 2kΩ,TA = 25˚C and VCC = 5V. Note 9: CL = 50 pF, RL = 2kΩ,TA = 25˚C and VCC = 5V. ’LS163 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units (Note 10) V I Input Clamp Voltage V CC = Min, II = −18 mA −1.5 V V OH High Level Output V CC = Min, IOH = Max DM54 2.5 3.4 V Voltage V IL = Max, VIH = Min DM74 2.7 3.4 V OL Low Level Output V CC = Min, IOL = Max DM54 0.25 0.4 Voltage V IL = Max, VIH = Min DM74 0.35 0.5 V I OL = 4 mA, VCC = Min DM74 0.25 0.4 I I Input Current @ Max V CC = Max Enable T 0.2 Input Voltage V I = 7V Clock, Clear 0.2 mA Load 0.2 Others 0.1 I IH High Level Input V CC = Max Enable T 40 Current V I = 2.7V Load 40 µA Clock, Clear 40 Others 20 www.fairchildsemi.com 4 |
Аналогичный номер детали - DM74LS161A |
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Аналогичное описание - DM74LS161A |
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