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74LV244AT Arkusz danych(PDF) 3 Page - Texas Instruments |
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74LV244AT Arkusz danych(HTML) 3 Page - Texas Instruments |
3 / 17 page www.ti.com Absolute Maximum Ratings (1) Recommended Operating Conditions (1) SN74LV244AT OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES572C – JUNE 2004 – REVISED AUGUST 2005 over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT VCC Supply voltage range –0.5 7 V VI Input voltage range(2) –0.5 7 V VO Voltage range applied to any output in the high-impedance or power-off state(2) –0.5 7 V VO Output voltage range applied in the high or low state(2)(3) –0.5 VCC + 0.5 V IIK Input clamp current VI < 0 –20 mA IOK Output clamp current VO < 0 –50 mA IO Continuous output current VO = 0 to VCC ±35 mA Continuous current through VCC or GND ±70 mA DB package(4) 70 DGV package(4) 92 DW package(4) 58 θ JA Package thermal impedance °C/W NS package(4) 60 PW package(4) 83 RGY package(5) 37 Tstg Storage temperature range –65 150 °C (1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) The input and output negative-voltage ratings may be exceeded if the input and output current ratings are observed. (3) This value is limited to 5.5 V maximum. (4) The package thermal impedance is calculated in accordance with JESD 51-7 (5) The package thermal impedance is calculated in accordance with JESD 51-5. MIN MAX UNIT VCC Supply voltage 4.5 5.5 V VIH High-level input voltage VCC = 4.5 V to 5.5 V 2 V VIL Low-level input voltage VCC = 4.5 V to 5.5 V 0.8 V VI Input voltage 0 5.5 V High or low state 0 VCC VO Output voltage V 3-state 0 5.5 IOH High-level output current VCC = 4.5 V to 5.5 V –16 mA IOL Low-level output current VCC = 4.5 V to 5.5 V 16 mA ∆t/∆v Input transition rise or fall rate VCC = 4.5 V to 5.5 V 20 ns/V TA Operating free-air temperature –40 85 °C (1) 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. 3 |
Podobny numer części - 74LV244AT |
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Podobny opis - 74LV244AT |
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