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74HC125N
74HC125N

 

74HC125N

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Category: Elec-component Available (Qty:9999999)
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Description

BUY 74HC125N https://www.utsource.net/itm/p/1393554.html
Quad buffer/line driver; 3-state - Description: Quad Buffer/Line Driver with Active LOW Output Enable 3-State ; Logic switching levels: CMOS ; Number of pins: 14 ; Output drive capability: +/- 7.8 mA ; Power dissipation considerations: Low Power or Battery Applications ; Propagation delay: 9@5V ns; Voltage: 2.0-6.0 V

Below is the parameter table and instructions for the 74HC125N quad buffer/driver with 3-state outputs.

74HC125N Parameter Table

Parameter Symbol Min Typ Max Unit Conditions
Supply Voltage VCC 2.0 4.5 6.0 V
Input Low Voltage VIL 0.0 0.8 - V VCC = 4.5V
Input High Voltage VIH - 2.0 VCC V VCC = 4.5V
Output Low Voltage VOL 0.0 0.1 0.2 V IOL = 4mA, VCC = 4.5V
Output High Voltage VOH 4.1 4.4 4.5 V IOH = -0.4mA, VCC = 4.5V
Input Current (Low) IIL -1 -0.1 0.1 μA VIL = 0.8V, VCC = 4.5V
Input Current (High) IIH -0.1 0.1 1 μA VIH = 2.0V, VCC = 4.5V
Output Current (Low) IOL -8 -4 -2.5 mA VOL = 0.4V, VCC = 4.5V
Output Current (High) IOH 2.5 0.4 -8 mA VOH = 4.1V, VCC = 4.5V
Propagation Delay Time tpd 6 10 18 ns VCC = 4.5V, VI = 2.0V, VO = 2.0V, TA = 25°C
Power Consumption ICC - 1 10 μA All inputs at VCC/2, VCC = 4.5V

Instructions for Using 74HC125N

  1. Pin Configuration:

    • 1, 3, 5, 9: Input (A, B, C, D)
    • 2, 4, 6, 10: Output (Y1, Y2, Y3, Y4)
    • 7: Ground (GND)
    • 8, 11, 13, 15: Output Enable (OE1, OE2, OE3, OE4)
    • 14: VCC

  2. Operation:

    • The 74HC125N is a quad buffer/driver with 3-state outputs.
    • Each buffer has an independent enable input (OE).
    • When OE is low, the corresponding output is active and follows the input.
    • When OE is high, the output is in a high-impedance state (3-state).

  3. Supply Voltage:

    • Operates from 2.0V to 6.0V.
    • Ensure the supply voltage is within this range to avoid damage.

  4. Input and Output Levels:

    • Inputs should be within the specified VIL and VIH levels.
    • Outputs will be within the specified VOL and VOH levels when active.

  5. Power Consumption:

    • The device has low power consumption, typically around 1μA at VCC = 4.5V.

  6. Propagation Delay:

    • The propagation delay time is crucial for timing considerations in digital circuits. It ranges from 6ns to 18ns at VCC = 4.5V.

  7. Handling:

    • Handle with care to avoid static damage.
    • Store in anti-static packaging when not in use.

  8. Applications:

    • Ideal for driving high-capacitance loads or long lines.
    • Useful in bus systems where multiple devices share a common data line.

By following these parameters and instructions, you can effectively integrate the 74HC125N into your digital circuit designs.

(For reference only)

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