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数据搜索系统，热门电子元器件搜索 |
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DM54LS181 数据表(PDF) 3 Page - National Semiconductor (TI) |
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DM54LS181 数据表(HTML) 3 Page - National Semiconductor (TI) |
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3 / 10 page  Switching Characteristics DM54DM74LS Symbol Parameter Conditions CL e 15 pF Units Min Max tPLH Propagation Delay M e GND 27 ns tPHL Cn to Cna4 20 tPLH Propagation Delay M e GND 26 ns tPHL Cn to F 20 tPLH Propagation Delay M S1 S2 e GND 29 ns tPHL A or B to G (Sum) S1 S3 e 45V 23 tPLH Propagation Delay M S0 S3 e GND 32 ns tPHL A or B to G (Diff) S1 S2 e 45V 26 tPLH Propagation Delay M S1 S2 e GND 30 ns tPHL A or B to P (Sum) S0 S3 e 45V 30 tPLH Propagation Delay M S0 S3 e GND 30 ns tPHL A or B to P (Diff) S1 S2 e 45V 33 tPLH Propagation Delay M S1 S2 e GND 32 ns tPHL Ai or Bi to Fi (Sum) S0 S3 e 45V 25 tPLH Propagation Delay M S0 S3 e GND 32 ns tPHL Ai or Bi to Fi (Diff) S1 S2 e 45V 33 tPLH Propagation Delay M e 45V 33 ns tPHL A or B to F (Logic) 29 tPLH Propagation Delay M S1 S2 e GND 38 ns tPHL A or B to Cna4 (Sum) S0 S3 e 45V 38 tPLH Propagation Delay M S0 S3 e GND 41 ns tPHL A or B to Cna4 (Diff) S1 S2 e 45V 41 tPLH Propagation Delay M S0 S3 e GND 50 ns tPHL A or B to A e BS1 S2 e 45V 62 RL e 2kX to 50V 3 |
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