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SN74ACT241DWR 데이터시트(PDF) 3 Page - Texas Instruments |
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SN74ACT241DWR 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 21 page SN54ACT241, SN74ACT241 OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS516C − JUNE 1995 − REVISED OCTOBER 2002 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54ACT241 SN74ACT241 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V IOH High-level output current −24 −24 mA IOL Low-level output current 24 24 mA Δt/Δv Input transition rise or fall rate 8 8 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 V TA = 25°C SN54ACT241 SN74ACT241 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT I 50 A 4.5 V 4.4 4.49 4.4 4.4 IOH = −50 μA 5.5 V 5.4 5.49 5.4 5.4 V I 24 A 4.5 V 3.86 3.7 3.76 V VOH IOH = −24 mA 5.5 V 4.86 4.7 4.76 V IOH = −50 mA† 5.5 V 3.85 IOH = −75 mA† 5.5 V 3.85 I 50 A 4.5 V 0.001 0.1 0.1 0.1 IOL = 50 μA 5.5 V 0.001 0.1 0.1 0.1 V I 24 mA 4.5 V 0.36 0.5 0.44 V VOL IOL = 24 mA 5.5 V 0.36 0.5 0.44 V IOL = 50 mA† 5.5 V 1.65 IOL = 75 mA† 5.5 V 1.65 IOZ VO = VCC or GND 5.5 V ±0.25 ±5 ±2.5 μA II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 μA ICC VI = VCC or GND, IO = 0 5.5 V 4 80 40 μA ΔICC‡ One input at 3.4 V, Other inputs at GND or VCC 5.5 V 0.6 1.6 1.5 mA Ci VI = VCC or GND 5 V 2.5 pF Co VI = VCC or GND 5 V 8 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms. ‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC. |
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