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SN74BCT540AN Datasheet(PDF) 3 Page - Texas Instruments |
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SN74BCT540AN Datasheet(HTML) 3 Page - Texas Instruments |
3 / 17 page SN54BCT540, SN74BCT540A OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCBS012E – JULY 1988 – REVISED MARCH 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54BCT540 SN74BCT540A UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IIK Input clamp current –18 –18 mA IOH High-level output current –12 –15 mA IOL Low-level output current 48 64 mA TA Operating free-air temperature –55 125 0 70 °C NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54BCT540 SN74BCT540A UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V IOH = –3 mA 2.4 3.3 2.4 3.3 VOH VCC = 4.5 V IOH = –12 mA 2 3.2 V IOH = –15 mA 2 3.1 VOL VCC =4 5V IOL = 48 mA 0.38 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.42 0.55 V 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 VCC = 5.5 V, VI = 0.5 V –0.6 –0.6 mA IOS‡ VCC = 5.5 V, VO = 0 –100 –225 –100 –225 mA IOZH VCC = 5.5 V, VO = 2.7 V 50 50 µA IOZL VCC = 5.5 V, VO = 0.5 V –50 –50 µA ICCH VCC = 5.5 V 20 30 20 30 mA ICCL VCC = 5.5 V 45 71 45 71 mA ICCZ VCC = 5.5 V 3 6 3 6 mA Ci VCC = 5 V, VI = 2.5 V or 0.5 V 6 5 pF Co VCC = 5 V, VO = 2.5 V or 0.5 V 10 10 pF † All typical values are at VCC = 5 V, TA = 25°C. ‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second. |
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