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SN74AHC541DWG4 데이터시트(PDF) 3 Page - Texas Instruments |
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SN74AHC541DWG4 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 20 page SN54AHC541, SN74AHC541 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCLS261M – DECEMBER 1995 – REVISED JULY 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54AHC541 SN74AHC541 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 2 5.5 2 5.5 V VCC = 2 V 1.5 1.5 VIH High-level input voltage VCC = 3 V 2.1 2.1 V VCC = 5.5 V 3.85 3.85 VCC = 2 V 0.5 0.5 VIL Low-level input voltage VCC = 3 V 0.9 0.9 V VCC = 5.5 V 1.65 1.65 VI Input voltage 0 5.5 0 5.5 V VO Output voltage 0 VCC 0 VCC V VCC = 2 V –50 –50 mA IOH High-level output current VCC = 3.3 V ± 0.3 V –4 –4 mA VCC = 5 V ± 0.5 V –8 –8 mA VCC = 2 V 50 50 mA IOL Low-level output current VCC = 3.3 V ± 0.3 V 4 4 mA VCC = 5 V ± 0.5 V 8 8 mA ∆t/∆v Input transition rise or fall rate VCC = 3.3 V ± 0.3 V 100 100 ns/V ∆t/∆v Input transition rise or fall rate VCC = 5 V ± 0.5 V 20 20 ns/V TA Operating free-air temperature –55 125 –40 85 °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 SN54AHC541 SN74AHC541 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT 2 V 1.9 2 1.9 1.9 IOH = –50 mA 3 V 2.9 3 2.9 2.9 VOH 4.5 V 4.4 4.5 4.4 4.4 V OH IOH = –4 mA 3 V 2.58 2.48 2.48 IOH = –8 mA 4.5 V 3.94 3.8 3.8 2 V 0.1 0.1 0.1 IOL = 50 mA 3 V 0.1 0.1 0.1 VOL 4.5 V 0.1 0.1 0.1 V OL IOL = 4 mA 3 V 0.36 0.5 0.44 IOL = 8 mA 4.5 V 0.36 0.5 0.44 II VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1* ±1 mA IOZ† VO = VCC or GND, VI (OE) = VIL or VIH 5.5 V ±0.25 ±2.5 ±2.5 mA ICC VI = VCC or GND, IO = 0 5.5 V 4 40 40 mA Ci VI = VCC or GND 5 V 2 10 10 pF Co VO = VCC or GND 5 V 4 pF * On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V. † For input and ouput, IOZ includes the input leakage current. |
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