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74HC245D

Specifications

SKU: 11198984

BUY 74HC245D https://www.utsource.net/itm/p/11198984.html

Parameter Symbol Conditions Min Typical Max Unit
Supply Voltage VCC - 2.0 - 6.0 V
Input Voltage (High Level) VIH - 3.15 - VCC V
Input Voltage (Low Level) VIL - 0 - 0.85 V
Output Voltage (High Level) VOH IO = -4 mA 2.4 - VCC - 0.1 V
Output Voltage (Low Level) VOL IO = 4 mA 0 - 0.1 V
Input Current (High Level) IIH VI = VCC -1 - - μA
Input Current (Low Level) IIL VI = 0 V 1 - - μA
Output Current (Source) IOH VOH = 2.4 V - - -4 mA
Output Current (Sink) IOL VOL = 0.4 V - - 4 mA
Propagation Delay Time tpd VCC = 4.5 V, TA = 25°C 0 9 - ns
Power Dissipation PD - - - 100 mW

Instructions for Using 74HC245D:

  1. Power Supply:

    • Connect VCC to the positive supply voltage (2.0V to 6.0V).
    • Connect GND to the ground.
  2. Direction Control:

    • Use the DIR pin to control the direction of data transfer:
      • DIR = Low: Data is transferred from A to B.
      • DIR = High: Data is transferred from B to A.
  3. Enable Control:

    • Use the OE (Output Enable) pin to enable or disable the outputs:
      • OE = Low: Outputs are enabled.
      • OE = High: Outputs are in high-impedance state (tristate).
  4. Input and Output Connections:

    • Connect the input lines (A0-A7) to the source of the data.
    • Connect the output lines (B0-B7) to the destination of the data.
  5. Handling Static Electricity:

    • The 74HC245D is sensitive to static electricity. Handle the device with proper ESD precautions to avoid damage.
  6. Operating Temperature:

    • Ensure that the operating temperature (TA) is within the specified range (-40°C to +85°C).
  7. Storage and Handling:

    • Store the device in a dry, cool place and handle it with care to prevent physical damage.
  8. Testing and Debugging:

    • Use a multimeter or logic analyzer to verify the correct operation of the device.
    • Check the power supply and ground connections for any issues.

By following these instructions, you can ensure reliable and efficient operation of the 74HC245D octal bus transceiver.

(For reference only)

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