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74AC11244DBLE Scheda tecnica(PDF) 3 Page - Texas Instruments |
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74AC11244DBLE Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 14 page 74AC11244 OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCAS171B – MARCH 1987 – REVISED SEPTEMBER 1998 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 VCC = 5.5 V 3.85 VCC = 3 V 0.9 VIL Low-level input voltage VCC = 4.5 V 1.35 V VCC = 5.5 V 1.65 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 VCC = 5.5 V –24 VCC = 3 V 12 IOL Low-level output current VCC = 4.5 V 24 mA VCC = 5.5 V 24 ∆t/∆v Input transition rise or fall rate 0 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 VCC TA = 25°C MIN MAX UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX UNIT 3 V 2.9 2.9 IOH = –50 µA 4.5 V 4.4 4.4 5.5 V 5.4 5.4 VOH IOH = –4 mA 3 V 2.58 2.48 V I24 A 4.5 V 3.94 3.8 IOL = –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 µA 4.5 V 0.1 0.1 5.5 V 0.1 0.1 VOL IOL = 12 mA 3 V 0.36 0.44 V IOL =24mA 4.5 V 0.36 0.44 IOL = 24 mA 5.5 V 0.36 0.44 IOL = 75 mA† 5.5 V 1.65 II VI = VCC or GND 5.5 V ±0.1 ±1 µA IOZ VO = VCC or GND 5.5 V ±0.5 ±5 µA ICC VI = VCC or GND, IO = 0 5.5 V 8 80 µA Ci VI = VCC or GND 5 V 4 pF Co VO = VCC or GND 5 V 10 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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