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74AC11257DWE4 Scheda tecnica(PDF) 3 Page - Texas Instruments |
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74AC11257DWE4 Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 16 page 74AC11257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS SCAS049C − MARCH 1989 − REVISED MAY 2004 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) MIN NOM MAX UNIT VCC Supply voltage 3 5 5.5 V VCC = 3 V 2.1 VIH High-level input voltage VCC = 4.5 V 3.15 V VIH High level input voltage VCC = 5.5 V 3.85 V VCC = 3 V 0.9 VIL Low-level input voltage VCC = 4.5 V 1.35 V VIL Low level input voltage VCC = 5.5 V 1.65 V VI Input voltage 0 VCC V VO Output voltage 0 VCC V VCC = 3 V −4 IOH High-level output current VCC = 4.5 V −24 mA IOH High level output current VCC = 5.5 V −24 mA VCC = 3 V 12 IOL Low-level output current VCC = 4.5 V 24 mA IOL Low level output current VCC = 5.5 V 24 mA Dt/Dv Input transition rise or fall rate 10 ns/V TA Operating free-air temperature −40 85 °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 V TA = 25°C MIN MAX UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX UNIT 3 V 2.9 2.9 IOH = −50 mA 4.5 V 4.4 4.4 IOH 50 mA 5.5 V 5.4 5.4 VOH IOH = −4 mA 3 V 2.58 2.48 V VOH I 24 mA 4.5 V 3.94 3.8 V IOH = −24 mA 5.5 V 4.94 4.8 IOH = −75 mA† 5.5 V 3.85 3 V 0.1 0.1 IOL = 50 mA 4.5 V 0.1 0.1 IOL 50 mA 5.5 V 0.1 0.1 VOL IOL = 12 mA 3 V 0.36 0.44 V VOL I 24 mA 4.5 V 0.36 0.44 V IOL = 24 mA 5.5 V 0.36 0.44 IOL = 75 mA† 5.5 V 1.65 IOZ VO = VCC or GND 5.5 V ±0.5 ±5 mA II VI = VCC or GND 5.5 V ±0.1 ±1 mA ICC VI = VCC or GND, IO = 0 5.5 V 8 80 mA Ci VI = VCC or GND 5 V 3.5 pF Co VO = VCC or GND 5.5 V 8 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. |
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