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SN54LV14A Folha de dados(PDF) 3 Page - Texas Instruments |
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SN54LV14A Folha de dados(HTML) 3 Page - Texas Instruments |
3 / 16 page SN54LV14A, SN74LV14A HEX SCHMITT TRIGGER INVERTERS SCLS386J − SEPTEMBER 1997 − REVISED APRIL 2005 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 5) SN54LV14A SN74LV14A UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 2 5.5 2 5.5 V VI Input voltage 0 5.5 0 5.5 V VO Output voltage 0 VCC 0 VCC V VCC = 2 V −50 −50 µA IOH High-level output current VCC = 2.3 V to 2.7 V −2 −2 IOH High-level output current VCC = 3 V to 3.6 V −6 −6 mA VCC = 4.5 V to 5.5 V −12 −12 mA VCC = 2 V 50 50 µA IOL Low-level output current VCC = 2.3 V to 2.7 V 2 2 IOL Low-level output current VCC = 3 V to 3.6 V 6 6 mA VCC = 4.5 V to 5.5 V 12 12 mA TA Operating free-air temperature −55 125 −40 85 °C NOTE 5: 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 SN54LV14A SN74LV14A UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN TYP MAX UNIT VT+ 2.5 V 1.75 1.75 VT+ Positive-going threshold 3.3 V 2.31 2.31 V Positive-going threshold 5 V 3.5 3.5 V VT− 2.5 V 0.75 0.75 VT− Negative-going threshold 3.3 V 0.99 0.99 V Negative-going threshold 5 V 1.5 1.5 V ∆VT 2.5 V 0.25 1 0.25 1 ∆VT Hysteresis (VT+ − VT−) 3.3 V 0.33 1.32 0.33 1.32 V Hysteresis (VT+ − VT−) 5 V 0.5 2 0.5 2 V IOH = −50 µA 2 V to 5.5 V VCC − 0.1 VCC − 0.1 VOH IOH = −2 mA 2.3 V 2 2 V VOH IOH = −6 mA 3 V 2.48 2.48 V IOH = −12 mA 4.5 V 3.8 3.8 IOL = 50 µA 2 V to 5.5 V 0.1 0.1 VOL IOL = 2 mA 2.3 V 0.4 0.4 V VOL IOL = 6 mA 3 V 0.44 0.44 V IOL = 12 mA 4.5 V 0.55 0.55 II VI = VCC or GND 0 V to 5.5 V ±1 ±1 µA ICC VI = VCC or GND, IO = 0 5.5 V 20 20 µA Ioff VI or VO = 0 to 5.5 V 0 V 5 5 µA Ci VI = VCC or GND 3.3 V 2.3 2.3 pF Ci VI = VCC or GND 5 V 2.3 2.3 pF PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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