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SN74AS137N 数据表(PDF) 5 Page - Texas Instruments |
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SN74AS137N 数据表(HTML) 5 Page - Texas Instruments |
5 / 15 page SN54ALS137A, SN74ALS137A, SN74AS137 3LINE TO 8LINE DECODERS/DEMULTIPLEXERS WITH ADDRESS LATCHES SDAS203C − APRIL 1982 − REVISED JANUARY 1995 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN74AS137 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = − 18 mA − 1.2 V VOH VCC = 4.5 V to 5.5 V, IOH = − 2 mA VCC −2 V VOL VCC = 4.5 V, IOL = 20 mA 0.35 0.5 V II VCC = 5.5 V, VI = 7 V 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 µA IIL VCC = 5.5 V, VI = 0.4 V −1 mA IO‡ VCC = 5.5 V, VO = 2.25 V −30 −112 mA ICC VCC = 5.5 V 15 24 mA † All typical values are at VCC = 5 V, TA = 25°C. ‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. 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 PARAMETER (INPUT) (OUTPUT) SN74AS137 UNIT MIN MAX tPLH A, B, C Y 2 12.5 ns tPHL A, B, C Y 2 12.5 ns tPLH G2 Y 2 8 ns tPHL G2 Y 2 8.5 ns tPLH G1 Y 2 10 ns tPHL G1 Y 2 9 ns tPLH LE Y 3 13.5 ns tPHL LE Y 3 14 ns § For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
类似零件编号 - SN74AS137N |
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类似说明 - SN74AS137N |
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