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74LS40 Dual 4-Input NAND Buffer IC (7440) DIP-14 Package

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Description

The 74LS40 is a dual 4-input NAND gate IC with two independent 4-input NAND gates. It is part of the 74LS series, which is known for its low power consumption and fast switching speeds due to Schottky transistor technology. The IC is designed for use in digital logic circuits, where each NAND gate performs the logical NAND function on four input signals. This IC provides high-speed logic functions, making it suitable for a wide range of digital applications.

Features

  • Dual 4-input NAND gates: Contains two independent NAND gates, each with four inputs.
  • TTL compatible: Inputs and outputs conform to standard TTL logic levels.
  • Fast switching speeds: Designed for high-speed digital operations.
  • Low power consumption: Uses Schottky technology to minimize power usage.
  • Active-low output: The output is low only when all four inputs are high.
  • Fan-out capability: Can drive multiple TTL inputs.

Specifications

  • Logic family: 74LS (Low Power Schottky TTL).
  • Number of gates: 2 (dual 4-input NAND gates).
  • Gate type: 4-input NAND.
  • Package type: DIP-14 (Dual In-line Package with 14 pins).
  • Supply voltage (Vcc): 4.75V to 5.25V.
  • Input voltage: TTL level inputs.
  • Output current: Can typically sink up to 16mA per output.
  • Propagation delay: Typically 12ns.
  • Power consumption: Low power due to Schottky technology.
  • Operating temperature range: 0°C to 70°C.

Note

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

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