Elec-component
74LS365
74LS365

 

74LS365

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Mô tả

BUY 74LS365 https://www.utsource.net/itm/p/15008.html
Bus Driver, 1-Func, 6-Bit, True Output, TTL, PDIP16

Below is the parameter table and instructions for the 74LS365 Octal Bus Transceiver with Three-State Outputs.

74LS365 Parameter Table

Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage VCC 4.75 5.00 5.25 V
Input Low Voltage VIL 0.0 0.8 - V
Input High Voltage VIH 2.0 3.5 - V
Output Low Voltage (Sink) VOL IOL = 16 mA 0.4 - - V
Output High Voltage (Source) VOH IOH = -0.4 mA 2.4 - - V
Output Leakage Current (High Z) IOHZ VOHZ = 5 V -1.0 - 1.0 μA
Input Leakage Current IIL -1.0 - 1.0 μA
Propagation Delay Time tpd VCC = 5 V, TA = 25°C 12 - - ns
Power Dissipation PD - - 100 mW
Operating Temperature Range TA Commercial Grade 0 - 70 °C
Industrial Temperature Range TA Industrial Grade -40 - 85 °C

Instructions for Using the 74LS365

  1. Power Supply:

    • Connect the VCC pin to +5V and the GND pin to ground.
    • Ensure the power supply is stable and within the specified range (4.75V to 5.25V).

  2. Input and Output Connections:

    • Connect the input pins (A1 to A8) to the source signals.
    • Connect the output pins (Y1 to Y8) to the destination circuits.
    • The direction control pin (DIR) determines the direction of data transfer:
      • DIR = 0: Data is transferred from A to Y.
      • DIR = 1: Data is transferred from Y to A.

  3. Enable Control:

    • The enable pin (G) controls the operation of the transceiver:
      • G = 0: The transceiver is enabled, and data can be transferred.
      • G = 1: The outputs are in high-impedance state (tristate), and no data is transferred.

  4. Propagation Delay:

    • The propagation delay time (tpd) is the time it takes for a change in the input signal to appear at the output. It is typically around 12 ns at 5V and 25°C.

  5. Temperature Considerations:

    • Ensure the operating temperature is within the specified range for the device grade being used (Commercial: 0°C to 70°C, Industrial: -40°C to 85°C).

  6. Power Dissipation:

    • Be mindful of the maximum power dissipation (100 mW) to avoid overheating. Use appropriate heat sinks or cooling methods if necessary.

  7. Signal Integrity:

    • Use proper decoupling capacitors (e.g., 0.1 μF ceramic capacitors) close to the VCC and GND pins to minimize noise and ensure stable operation.

By following these instructions and parameters, you can effectively use the 74LS365 octal bus transceiver in your digital circuits.

(For reference only)

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