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SN74AUCH244 数据表(PDF) 3 Page - Texas Instruments |
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SN74AUCH244 数据表(HTML) 3 Page - Texas Instruments |
3 / 12 page SN74AUCH244 OCTAL BUFFER/DRIVER WITH 3STATE OUTPUTS SCES433 − MARCH 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) MIN MAX UNIT VCC Supply voltage 0.8 2.7 V VCC = 0.8 V VCC VIH High-level input voltage VCC = 1.1 V to 1.95 V 0.65 × VCC V VIH High-level input voltage VCC = 2.3 V to 2.7 V 1.7 V VCC = 0.8 V 0 VIL Low-level input voltage VCC = 1.1 V to 1.95 V 0.35 × VCC V VIL Low-level input voltage VCC = 2.3 V to 2.7 V 0.7 V VI Input voltage 0 3.6 V VO Output voltage Active state 0 VCC V VO Output voltage 3-state 0 3.6 V VCC = 0.8 V −0.7 VCC = 1.1 V −3 IOH High-level output current VCC = 1.4 V −5 mA IOH High-level output current VCC = 1.65 V −8 mA VCC = 2.3 V −9 VCC = 0.8 V 0.7 VCC = 1.1 V 3 IOL Low-level output current VCC = 1.4 V 5 mA IOL Low-level output current VCC = 1.65 V 8 mA VCC = 2.3 V 9 ∆t/∆v Input transition rise or fall rate 20 ns/V TA Operating free-air temperature −40 85 °C NOTE 3: 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. |
类似零件编号 - SN74AUCH244_10 |
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类似说明 - SN74AUCH244_10 |
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