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SN74AHCT125QPWRQ1 bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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SN74AHCT125QPWRQ1 bảng dữ liệu(HTML) 3 Page - Texas Instruments |
3 / 11 page SN74AHCT125-Q1 QUADRUPLE BUS BUFFER GATE WITH 3-STATE OUTPUTS SCLS508A − JUNE 2003 − REVISED FEBRUARY 2008 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) MIN MAX UNIT VCC Supply voltage 4.5 5.5 V VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V VI Input voltage 0 5.5 V VO Output voltage 0 VCC V IOH High-level output current −8 mA IOL Low-level output current 8 mA Δt/Δv Input transition rise or fall rate 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 V TA = 25°C MIN MAX UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX UNIT V IOH = −50 mA 45V 4.4 4.5 4.4 V VOH IOH = −8 mA 4.5 V 3.94 3.8 V V IOL = 50 mA 45V 0.1 0.1 V VOL IOL = 8 mA 4.5 V 0.36 0.44 V II VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1 mA IOZ VO = VCC or GND 5.5 V ±0.25 ±2.5 mA ICC VI = VCC or GND, IO = 0 5.5 V 2 20 mA ΔICC† One input at 3.4 V, Other inputs at VCC or GND 5.5 V 1.35 1.5 mA Ci VI = VCC or GND 5 V 4 10 10 pF Co VO = VCC or GND 5 V 15 pF † This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC. |
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