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SN74AS157DR 数据表(PDF) 7 Page - Texas Instruments |
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SN74AS157DR 数据表(HTML) 7 Page - Texas Instruments |
7 / 18 page SN54ALS157A, SN54ALS158 SN74ALS157A, SN74ALS158, SN74AS157, SN74AS158 QUAD 1-OF-2 DATA SELECTORS/MULTIPLEXERS SDAS081C – APRIL 1982 – REVISED DECEMBER 1994 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX† UNIT (INPUT) (OUTPUT) SN74AS157 MIN MAX tPLH AorB Y 1 6 ns tPHL A or B Y 1 5.5 ns tPLH A/B Y 2 11 ns tPHL A/B Y 2 10 ns tPLH G Y 2 10.5 ns tPHL G Y 2 7.5 ns † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX† UNIT (INPUT) (OUTPUT) SN74AS158 MIN MAX tPLH AorB Y 1 5 ns tPHL A or B Y 1 4.5 ns tPLH A/B Y 2 9.5 ns tPHL A/B Y 2 10.5 ns tPLH G Y 2 6.5 ns tPHL G Y 2 10 ns † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
类似零件编号 - SN74AS157DR |
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类似说明 - SN74AS157DR |
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