74 series Digital Integrated Circuits
SN74LS574N
SN74LS574N

 

SN74LS574N

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分类: 74 series Digital Integrated Circuits 当前有货 (数量:9999999)
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Octal D Flip-Flop with 3-State Outputs

Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage VCC Operating 4.75 - 5.25 V
Input Voltage (High Level) VIH 2.0 - VCC V
Input Voltage (Low Level) VIL 0 - 0.8 V
Output Voltage (High Level) VOH IO = -0.4 mA 2.4 - VCC - 0.5 V
Output Voltage (Low Level) VOL IO = 16 mA 0 - 0.5 V
Input Current (High Level) IIH VI = VCC -20 - - μA
Input Current (Low Level) IIL VI = 0 V 10 - - μA
Output Current (High Level) IOH VO = 2.4 V -0.4 - - mA
Output Current (Low Level) IOL VO = 0.5 V - - 16 mA
Propagation Delay Time tpd VCC = 5 V, TA = 25°C - 22 35 ns
Power Dissipation PD - - 500 mW
Operating Temperature Range TA Commercial Grade 0 - 70 °C
Storage Temperature Range TSTG -65 - 150 °C

Instructions for Using SN74LS574N

  1. Power Supply:

    • Ensure the supply voltage (VCC) is within the specified range of 4.75V to 5.25V.
    • Connect the ground (GND) pin to a stable 0V reference.

  2. Input Signals:

    • Apply input signals (D0-D7) that meet the high-level (VIH) and low-level (VIL) voltage requirements.
    • Ensure the input currents (IIH and IIL) do not exceed the specified limits.

  3. Output Signals:

    • The output signals (Q0-Q7) will follow the state of the input signals after the clock pulse (CP).
    • Ensure the output currents (IOH and IOL) are within the specified limits to avoid damage to the device.

  4. Clock Signal:

    • The clock signal (CP) must be applied to the clock pin to latch the data from the input to the output.
    • The propagation delay time (tpd) should be considered when designing the timing of your circuit.

  5. Temperature Considerations:

    • Operate the device within the specified temperature range (0°C to 70°C for commercial grade) to ensure reliable performance.
    • Store the device in an environment with temperatures between -65°C and 150°C.

  6. Power Dissipation:

    • Ensure the power dissipation (PD) does not exceed 500 mW to prevent overheating and potential damage to the device.

  7. Handling:

    • Handle the device with care to avoid static discharge, which can damage the internal circuits.
    • Use appropriate ESD protection measures when handling or soldering the device.

By following these guidelines, you can ensure the proper operation and longevity of the SN74LS574N.

(For reference only)

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