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SN74AHC244QDWRG4 bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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SN74AHC244QDWRG4 bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 13 page SN74AHC244Q OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS SGDS017 – FEBRUARY 2002 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) MIN MAX UNIT VCC Supply voltage 2 5.5 V VCC = 2 V 1.5 VIH High-level input voltage VCC = 3 V 2.1 V VCC = 5.5 V 3.85 VCC = 2 V 0.5 VIL Low-level input voltage VCC = 3 V 0.9 V VCC = 5.5 V 1.65 VI Input voltage 0 5.5 V VO Output voltage 0 VCC V VCC = 2 V –50 mA IOH High-level output current VCC = 3.3 V ± 0.3 V –4 mA VCC = 5 V ± 0.5 V –8 mA VCC = 2 V 50 mA IOL Low-level output current VCC = 3.3 V ± 0.3 V 4 mA VCC = 5 V ± 0.5 V 8 mA ∆t/∆v Input transition rise or fall rate VCC = 3.3 V ± 0.3 V 100 ns/V ∆t/∆v Input transition rise or fall rate VCC = 5 V ± 0.5 V 20 ns/V TA Operating free-air temperature –40 125 °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 2 V 1.9 2 1.9 IOH = –50 mA 3 V 2.9 3 2.9 VOH 4.5 V 4.4 4.5 4.4 V OH IOH = –4 mA 3 V 2.58 2.48 IOH = –8 mA 4.5 V 3.94 3.8 2 V 0.1 0.1 IOL = 50 mA 3 V 0.1 0.1 VOL 4.5 V 0.1 0.1 V OL IOL = 4 mA 3 V 0.36 0.5 IOL = 8 mA 4.5 V 0.36 0.5 II VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1 mA IOZ VO = VCC or GND, VI (OE) = VIL or VIH 5.5 V ±0.25 ±2.5 mA ICC VI = VCC or GND, IO = 0 5.5 V 4 40 mA Ci VI = VCC or GND 5 V 2 10 pF Co VO = VCC or GND 5 V 3.5 pF |
Số phần tương tự - SN74AHC244QDWRG4 |
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Mô tả tương tự - SN74AHC244QDWRG4 |
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