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74HC373 Octal D-Type Latch 3-State Output IC (74373 IC) DIP-20 Package

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Description

The 74HC373 features eight D-type latches, each capable of storing one bit of data. The IC has a latch-enable (LE) pin that controls whether the latches are transparent or latched. Additionally, the 3-state output feature allows multiple devices to share the same data bus by enabling or disabling the outputs.

Features

  • Octal D-Type Latches: Contains eight independent D-type latches.
  • 3-State Outputs: Allows for output control, enabling high impedance (disconnected) state.
  • Latch Enable (LE) Pin: Controls whether data is passed through or latched.
  • High-Speed Operation: Suitable for high-speed digital systems.
  • Low Power Consumption: Built with CMOS technology for efficient power usage.
  • Wide Operating Voltage Range: Operates over a range of supply voltages.
  • High Noise Immunity: Ensures reliable performance in noisy environments.

Specifications

  • Package: DIP-20
  • Supply Voltage (Vcc): 2V to 6V
  • Input Voltage (Vin): 0V to Vcc
  • Output Voltage (Vout): 0V to Vcc
  • Latch Enable (LE) Pin: Controls the latching of data
  • Output Enable (OE) Pin: Controls the 3-state output feature
  • Propagation Delay (tpd): Typically 12 ns (depends on supply voltage and load capacitance)
  • Input Capacitance (Cin): Typical value is 3 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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