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SN74HC245DWR
SN74HC245DWR

 

SN74HC245DWR

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Penerangan

BUY SN74HC245DWR https://www.utsource.net/itm/p/1127037.html
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

Parameter Symbol Min Typical Max Unit Conditions
Supply Voltage VCC 2.0 - 6.0 V
Input Voltage (High) VIH 3.15 - VCC V VCC = 4.5V to 6.0V
Input Voltage (Low) VIL 0 - 0.85 V VCC = 4.5V to 6.0V
Output Voltage (High) VOH 2.4 - VCC - 0.1 V IOL = -4mA, VCC = 4.5V to 6.0V
Output Voltage (Low) VOL 0 - 0.1 V IOL = 4mA, VCC = 4.5V to 6.0V
Input Current (High) IIH - 1 20 μA VCC = 4.5V to 6.0V
Input Current (Low) IIL -1 -0.5 0 μA VCC = 4.5V to 6.0V
Output Current (Source) IOH - 4 20 mA VOH = 2.4V, VCC = 4.5V to 6.0V
Output Current (Sink) IOL -20 -4 - mA VOL = 0.1V, VCC = 4.5V to 6.0V
Propagation Delay Time tpd - 9 18 ns VCC = 5V, TA = 25°C
Power Consumption Ptot - 100 - mW VCC = 5V, f = 1MHz

Instructions for Use

  1. Power Supply:

    • Ensure the supply voltage (VCC) is within the range of 2.0V to 6.0V.
    • Connect VCC to the positive power supply and GND to the ground.

  2. Input Signals:

    • Apply input signals (VIH, VIL) within the specified voltage levels.
    • Ensure the input currents (IIH, IIL) do not exceed the maximum ratings.

  3. Output Signals:

    • The output signals (VOH, VOL) will be within the specified voltage levels.
    • Ensure the output currents (IOH, IOL) do not exceed the maximum ratings.

  4. Propagation Delay:

    • The propagation delay time (tpd) is critical for timing considerations. Ensure it meets the requirements of your application.

  5. Power Consumption:

    • Monitor the total power consumption (Ptot) to avoid overheating or damage to the device.

  6. Operating Temperature:

    • The device is typically rated for operation at ambient temperatures (TA) from -40°C to 85°C. Ensure the operating environment does not exceed these limits.

  7. Handling Precautions:

    • Handle the device with care to avoid static discharge (ESD) which can damage the internal circuits.
    • Follow proper soldering techniques to ensure reliable connections.

  8. Storage:

    • Store the device in a dry, cool place to prevent moisture damage.

By following these guidelines, you can ensure optimal performance and longevity of the SN74HC245DWR device.

(For reference only)

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