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74LS244 Octal 3-State Buffer/Line Driver IC (74244 IC) DIP-20 Package

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Description

The 74LS244 is an octal (8-channel) 3-state buffer/line driver IC designed for high-speed memory and bus driving applications. It features eight independent buffers/line drivers with 3-state outputs, which means that the outputs can be in one of three states: high (1), low (0), or high-impedance (Z), allowing multiple devices to share the same bus without interference. This IC is part of the 74LS family, known for low power consumption and fast switching.

Features

  • 8-Bit Line Driver/Buffer: Provides eight independent buffers or line drivers.
  • 3-State Output: Allows for high, low, and high-impedance states, making it ideal for bus interface applications.
  • TTL Compatible: Fully compatible with TTL (Transistor-Transistor Logic) logic levels.
  • Low Power Consumption: Features low-power Schottky diodes to minimize power dissipation.
  • High Drive Capability: Can drive highly capacitive loads and bus lines efficiently.
  • High-Speed Operation: Fast switching speeds with typical propagation delay of 10ns.
  • Enable Control: Includes two separate enable inputs to control the operation of four drivers each.

Specifications

  • Supply Voltage (Vcc): 4.75V to 5.25V
  • Input High Voltage (VIH): Minimum 2V
  • Input Low Voltage (VIL): Maximum 0.8V
  • Output High Voltage (VOH): Minimum 2.7V
  • Output Low Voltage (VOL): Maximum 0.5V
  • Output Current: 24mA (sink), -15mA (source)
  • Propagation Delay: Typical 10ns
  • Power Dissipation: 32mW (typical)
  • Operating Temperature Range: 0°C to 70°C
  • Package: DIP-20 (Dual In-Line Package)

Note

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

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