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74HC257 Quad 2-input multiplexer IC (74257 IC) DIP-16 Package

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Description

The 74HC257 contains four independent 2-input multiplexers. Each multiplexer selects between two inputs based on a single control input and directs the selected input to the output. It has a high-speed CMOS design, providing reliable performance and low power consumption.

Features

  • Quad 2-Input Multiplexer: Contains four separate 2-input multiplexers.
  • High-Speed Operation: Fast propagation delay suitable for high-speed applications.
  • Low Power Consumption: CMOS technology ensures low power usage.
  • Wide Operating Voltage Range: Compatible with a broad range of supply voltages.
  • High Noise Immunity: Reliable operation in noisy environments.

Specifications

  • Package: DIP-16
  • Supply Voltage (Vcc): 2V to 6V
  • Input Voltage (Vin): 0V to Vcc
  • Output Voltage (Vout): 0V to Vcc
  • Propagation Delay (tpd): Typically 9 ns (depends on supply voltage and load capacitance)
  • Input Capacitance (Cin): Typical value is 5 pF
  • Output Drive Current:
    • High-Level Output Current (IOH): -6 mA
    • Low-Level Output Current (IOL): 6 mA
  • Logic Levels:
    • Input Low Voltage (VIL): ≤ 0.3 x Vcc
    • Input High Voltage (VIH): ≥ 0.7 x Vcc
    • Output Low Voltage (VOL): ≤ 0.1 x Vcc (at IOL = 6 mA)
    • Output High Voltage (VOH): ≥ 0.9 x Vcc (at IOH = -6 mA)
  • Current Consumption (ICC): Typically 1 µA (static), varies with speed and load

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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