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DM74LS163A Fiches technique(PDF) 4 Page - National Semiconductor (TI) |
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DM74LS163A Fiches technique(HTML) 4 Page - National Semiconductor (TI) |
4 / 12 page ’LS161 Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load) (Continued) From (Input) RL e 2kX Symbol Parameter To (Output) CL e 15 pF CL e 50 pF Units Min Max Min Max tPLH Propagation Delay Time Clock to Any Q 24 30 ns Low to High Level Output (Load Low) tPHL Propagation Delay Time Clock to Any Q 27 38 ns High to Low Level Output (Load Low) tPLH Propagation Delay Time Enable T to 14 27 ns Low to High Level Output Ripple Carry tPHL Propagation Delay Time Enable T to 15 27 ns High to Low Level Output Ripple Carry tPHL Propagation Delay Time Clear to 28 45 ns High to Low Level Output Any Q Recommended Operating Conditions Symbol Parameter DM54LS163A DM74LS163A Units Min Nom Max Min Nom Max VCC Supply Voltage 45 5 55 475 5 525 V VIH High Level Input Voltage 2 2 V VIL Low Level Input Voltage 07 08 V IOH High Level Output Current b 04 b 04 mA IOL Low Level Output Current 4 8 mA fCLK Clock Frequency (Note 1) 0 25 0 25 MHz Clock Frequency (Note 2) 0 20 0 20 MHz tW Pulse Width Clock 20 6 20 6 ns (Note 1) Clear 20 9 20 9 Pulse Width Clock 25 25 ns (Note 2) Clear 25 25 tSU Setup Time Data 20 8 20 8 (Note 1) Enable P 25 17 25 17 ns Load 25 15 25 15 Setup Time Data 20 20 (Note 2) Enable P 30 30 ns Load 30 30 tH Hold Time Data 0 b 30 b 3 ns (Note 1) Others 0 b 30 b 3 Hold Time Data 5 5 ns (Note 2) Others 5 5 tREL Clear Release Time (Note 1) 20 20 ns Clear Release Time (Note 2) 25 25 ns TA Free Air Operating Temperature b 55 125 0 70 C Note 1 CL e 15 pF RL e 2kX TA e 25 C and VCC e 5V Note 2 CL e 50 pF RL e 2kX TA e 25 C and VCC e 5V 4 |
Numéro de pièce similaire - DM74LS163A |
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Description similaire - DM74LS163A |
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