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SN74LS14N

Specifications

SKU: 11226663

BUY SN74LS14N https://www.utsource.net/itm/p/11226663.html

Parameter Symbol Conditions Min Typical Max Unit
Supply Voltage VCC Operating 4.75 - 5.25 V
Input Voltage (High) VIH - 2.0 - 5.25 V
Input Voltage (Low) VIL - 0 - 0.8 V
Output Voltage (High) VOH IOH = -0.4 mA 2.4 - 5.0 V
Output Voltage (Low) VOL IOL = 16 mA 0 - 0.5 V
Input Current (High) IIH VI = 5.0 V - - 40 μA
Input Current (Low) IIL VI = 0 V -1.0 - - mA
Output Current (High) IOH VO = 2.4 V - - -0.4 mA
Output Current (Low) IOL VO = 0.5 V - - 16 mA
Propagation Delay Time tpd VCC = 5 V, TA = 25°C 9 - 15 ns
Power Dissipation PTOT Per Package - - 500 mW

Instructions for Use:

  1. Supply Voltage (VCC):

    • Ensure the supply voltage is within the operating range of 4.75 V to 5.25 V.
    • Connect VCC to the positive power supply and GND to the ground.
  2. Input Voltage (VIH, VIL):

    • For a high input, ensure the voltage is between 2.0 V and 5.25 V.
    • For a low input, ensure the voltage is between 0 V and 0.8 V.
  3. Output Voltage (VOH, VOL):

    • The output will be high (2.4 V to 5.0 V) when the input is high.
    • The output will be low (0 V to 0.5 V) when the input is low.
  4. Current Ratings:

    • Do not exceed the maximum input and output currents to avoid damaging the device.
    • Input current (IIL) should not exceed -1.0 mA for low inputs.
    • Output current (IOL) should not exceed 16 mA for low outputs.
    • Output current (IOH) should not exceed -0.4 mA for high outputs.
  5. Propagation Delay (tpd):

    • The propagation delay time is the time it takes for the output to change state after the input changes.
    • At 25°C, the typical propagation delay is between 9 ns and 15 ns.
  6. Power Dissipation:

    • The total power dissipation for the package should not exceed 500 mW to prevent overheating.
  7. Handling:

    • Handle the SN74LS14N with care to avoid static damage.
    • Store in a dry, cool place when not in use.
  8. Layout Considerations:

    • Use proper decoupling capacitors (e.g., 0.1 μF) close to the VCC and GND pins to minimize noise.
    • Ensure good grounding and clean power supply lines to maintain signal integrity.
  9. Testing:

    • Before integrating the SN74LS14N into a circuit, test its functionality using a simple test setup to verify correct operation.
  10. Compliance:

    • Ensure that the design complies with all relevant safety and regulatory standards.
(For reference only)

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