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SN74LVCH245APW Arkusz danych(PDF) 4 Page - Texas Instruments |
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SN74LVCH245APW Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 27 page www.ti.com Recommended Operating Conditions (1) SN54LVCH245A, SN74LVCH245A OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCES008O – JULY 1995 – REVISED DECEMBER 2005 SN54LVCH245A SN74LVCH245A UNIT MIN MAX MIN MAX Operating 2 3.6 1.65 3.6 VCC Supply voltage V Data retention only 1.5 1.5 VCC = 1.65 V to 1.95 V 0.65 × V CC VIH High-level input voltage VCC = 2.3 V to 2.7 V 1.7 V VCC = 2.7 V to 3.6 V 2 2 VCC = 1.65 V to 1.95 V 0.35 × V CC VIL Low-level input voltage VCC = 2.3 V to 2.7 V 0.7 V VCC = 2.7 V to 3.6 V 0.8 0.8 VI Input voltage 0 5.5 0 5.5 V High or low state 0 VCC 0 VCC VO Output voltage V 3-state 0 5.5 0 5.5 VCC = 1.65 V –4 VCC = 2.3 V –8 IOH High-level output current mA VCC = 2.7 V –12 –12 VCC = 3 V –24 –24 VCC = 1.65 V 4 VCC = 2.3 V 8 IOL Low-level output current mA VCC = 2.7 V 12 12 VCC = 3 V 24 24 ∆t/∆v Input transition rise or fall rate 10 10 ns/V TA Operating free-air temperature –55 125 –40 85 °C (1) 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. 4 |
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