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74LS21 Dual 4-input AND Gate IC (7421 IC) DIP-14 Package

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Description

The 74LS21 is a Dual 4-input AND gate integrated circuit (IC) from the 74LS (Low Power Schottky) series. It contains two independent 4-input AND gates that perform the logical AND function. This IC outputs a high logic level only when all four inputs are high. It is widely used in digital systems requiring logic gate operations.

Features

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  • Dual 4-Input AND Gates: Contains two independent 4-input AND gates.
  • TTL Compatible: Compatible with Transistor-Transistor Logic (TTL) voltage levels.
  • Fast Switching: Low propagation delay for quick response.
  • Low Power Consumption: Schottky diode clamping for reduced power dissipation.
  • Wide Operating Voltage Range: Typically operates at 5V, with a tolerance between 4.75V and 5.25V.
  • Reliable Operation: Designed for stable performance in noisy environments.

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 0.4V
  • Typical Propagation Delay: 15ns
  • Power Dissipation: 35mW (typical)
  • Operating Temperature Range: 0°C to 70°C
  • Package: DIP-14 (Dual In-Line Package)

Note

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

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