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VB244 датащи(PDF) 3 Page - Texas Instruments |
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VB244 датащи(HTML) 3 Page - Texas Instruments |
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3 / 16 page ![]() www.ti.com RECOMMENDED OPERATING CONDITIONS (1) SN74ALVCH244 OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES112F – JULY 1997 – REVISED AUGUST 2004 MIN MAX UNIT VCC Supply voltage 1.65 3.6 V VCC = 1.65 V to 1.95 V 0.65 × V CC VIH High-level input voltage VCC = 2.3 V to 2.7 V 1.7 V VCC = 2.7 V to 3.6 V 2 VCC = 1.65 V to 1.95 V 0.35 × V CC VIL Low-level input voltage VCC = 2.3 V to 2.7 V 0.7 V VCC = 2.7 V to 3.6 V 0.8 VI Input voltage 0 VCC V VO Output voltage 0 VCC V VCC = 1.65 V -4 VCC = 2.3 V -12 IOH High-level output current mA VCC = 2.7 V -12 VCC = 3 V -24 VCC = 1.65 V 4 VCC = 2.3 V 12 IOL Low-level output current mA VCC = 2.7 V 12 VCC = 3 V 24 ∆t/∆v Input transition rise or fall rate 5 ns/V TA Operating free-air temperature -40 85 °C (1) All unused control 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 |
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