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DM54LS107AJ Arkusz danych(PDF) 3 Page - National Semiconductor (TI) |
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DM54LS107AJ Arkusz danych(HTML) 3 Page - National Semiconductor (TI) |
3 / 6 page Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) (Continued) Symbol Parameter Conditions Min Typ Max Units (Note 1) IIH High Level Input VCC e Max J K 20 Current VI e 27V Clear 60 m A Clock 80 IIL Low Level Input VCC e Max J K b 04 Current VI e 04V Clear b 08 mA Clock b 08 IOS Short Circuit VCC e Max DM54 b 20 b 100 mA Output Current (Note 2) DM74 b 20 b 100 ICC Supply Current VCC e Max (Note 3) 4 6 mA Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load) From (Input) RL e 2kX Symbol Parameter To (Output) CL e 15 pF CL e 50 pF Units Min Max Min Max fMAX Maximum Clock 30 25 MHz Frequency tPLH Propagation Delay Time Preset 20 24 ns Low to High Level Output to Q tPHL Propagation Delay Time Preset 20 28 ns High to Low Level Output to Q tPLH Propagation Delay Time Clear 20 24 ns Low to High Level Output to Q tPHL Propagation Delay Time Clear 20 28 ns High to Low Level Output to Q tPLH Propagation Delay Time Clock to 20 24 ns Low to High Level Output Q or Q tPHL Propagation Delay Time Clock to 20 28 ns High to Low Level Output Q or Q Note 1 All typicals are at VCC e 5V TA e 25 C Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second For devices with feedback from the outputs where shorting the outputs to ground may cause the outputs to change logic state an equivalent test may be performed where VO e 225V and 2125V for DM54 and DM74 series respectively with the minimum and maximum limits reduced by one half from their stated values This is very useful when using automatic test equipment Note 3 With all inputs open ICC is measured with the Q and Q outputs high in turn At the time of measurement the clock is grounded 3 |
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