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SN74AS240A データシート(PDF) 5 Page - Texas Instruments |
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SN74AS240A データシート(HTML) 5 Page - Texas Instruments |
5 / 22 page SN54ALS240A, SN54AS240A, SN74ALS240A, SN74AS240A OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SDAS214E – DECEMBER 1982 – REVISED AUGUST 2002 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54AS240A SN74AS240A UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = – 18 mA – 1.2 – 1.2 V VCC =4 5Vto5 5V IOH = – 2 mA VCC – 2 VCC – 2 VOH VCC = 4.5 V to 5.5 V IOH = – 3 mA 2.4 3.4 2.4 3.4 V VOH VCC =4 5V IOH = – 12 mA 2.4 V VCC = 4.5 V IOH = – 15 mA 2.4 VOL VCC =4 5V IOL = 48 mA 0.27 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.31 0.55 V IOZH VCC = 5.5 V, VO = 2.7 V 50 50 µA IOZL VCC = 5.5 V, VO = 0.4 V – 50 – 50 µA II VCC = 5.5 V, VI = 7 V 0.1 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 20 µA IIL A inputs VCC =5 5V VI =0 4V – 1 – 1 mA IIL OE inputs VCC = 5.5 V, VI = 0.4 V – 0.5 – 0.5 mA IO‡ VCC = 5.5 V, VO = 2.25 V – 50 – 150 – 50 – 150 mA Outputs high 11 17 11 17 ICC VCC = 5.5 V Outputs low 51 75 51 75 mA Outputs disabled 24 38 24 38 † 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, R1 = 500 Ω, R2 = 500 Ω, TA = MIN to MAX§ UNIT SN54ALS240A SN74ALS240A MIN MAX MIN MAX tPLH A Y 2 22 2 9 ns tPHL A Y 2 11 2 9 ns tPZH OE Y 4 34 5 13 ns tPZL OE Y 5 26 5 18 ns tPHZ OE Y 1 15 2 10 ns tPLZ OE Y 3 24 3 12 ns § For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
同様の部品番号 - SN74AS240A |
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同様の説明 - SN74AS240A |
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