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

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

The 74LS21 is a dual 4-input AND gate integrated circuit (IC) housed in a DIP-14 package, designed for use in various digital logic applications. This device features two independent 4-input AND gates, which provide a high-speed and reliable solution for implementing logical operations in complex circuitry. With its TTL (Transistor-Transistor Logic) compatibility, the 74LS21 operates within a supply voltage range of 4.75V to 5.25V, making it suitable for standard TTL logic levels. One of the standout features of the 74LS21 is its ability to handle multiple input signals, enabling the combination of four individual inputs into a single output signal. This IC delivers fast propagation delays, typically around 10ns, ensuring efficient performance in high-speed applications. Additionally, it has a low power dissipation characteristic, with a maximum quiescent current of just 1.5 mA, which is beneficial for energy-efficient designs. The 74LS21 is versatile, making it ideal for a variety of applications, including data routing, signal processing, and digital signal processing systems. Its dual-gate configuration allows for compact circuit designs while maintaining functionality.

Features:-

• DIP-14 Package
• Octal Configuration
• Low Power Consumption
• High-Speed Performance
• Wide Operating Voltage Range
• 3-STATE outputs drive bus lines directly
• PNP inputs reduce DC loading on bus lines