HLF 74LS21 Dual 4-Input AND Gate – SOP14 | TTL Logic IC | 4.75V–5.25V, 0°C to +70°C | Surface-Mount SMD Package

The HLF 74LS21 is a Dual 4-Input AND Gate IC based on Low-Power Schottky TTL technology, providing fast switching, low power consumption, and reliable TTL logic performance. Each gate has four inputs, making it suitable for industrial, embedded, and digital control applications. The SOP14 surface-mount package is ideal for compact PCB layouts and automated assembly. Operating voltage is 4.75V–5.25V, with a temperature range of 0°C to +70°C, ensuring stable performance in various environments.

Key Features:

• Logic Function: Dual 4-Input AND Gate (2 Independent Gates)

• Technology: Low-Power Schottky TTL (LS Series)

• Operating Voltage: 4.75V – 5.25V

• Operating Temperature: 0°C to +70°C

• Package Type: SOP14 (Small Outline Package)

• Mounting Type: Surface-Mount (SMD)

• High-Speed TTL Operation: Fast propagation for digital circuits

• Low Power Design: Efficient LS series logic

• Compact Surface-Mount Package: Ideal for dense PCBs

• Reliable TTL Logic Performance: Stable in industrial and embedded applications

Applications:

• Embedded Digital Logic Circuits

• Industrial Control and Automation Systems

• Timing, Sequencing, and Signal Processing

• Microcontroller Interfaces

• Compact PCB Designs for Consumer Electronics