HLF 74LS03 Quad 2-Input NAND Gate with Open-Collector Outputs – DIP14 | TTL Logic IC | 4.75V–5.25V, 0°C to +70°C | Through-Hole Package

The HLF 74LS03 is a Quad 2-Input NAND Gate IC featuring open-collector outputs, allowing external pull-up resistors for interfacing with higher voltage logic levels. Based on Low-Power Schottky TTL technology, it provides high-speed switching and low power consumption within a voltage range of 4.75V–5.25V. Its DIP14 through-hole package offers easy integration for prototyping and production environments. Operating within 0°C to +70°C, the 74LS03 is suitable for digital control, timing, and signal processing applications.

Key Features:

• Logic Function: Quad 2-Input NAND Gate with Open-Collector Outputs

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

• Operating Voltage: 4.75V – 5.25V

• Operating Temperature: 0°C to +70°C

• Package Type: DIP14 (Dual In-Line Package)

• Mounting Type: Through-Hole

• Open-Collector Outputs: Supports wired-AND logic and external pull-ups

• High-Speed TTL Performance: Fast switching times

• Low Power Consumption: Efficient LS design

• Strong Noise Immunity: Reliable for industrial use

Applications:

• Digital and Control Logic Circuits

• Signal Processing and Timing Systems

• Interfacing Between Logic Families

• Industrial Automation and Instrumentation

• Educational and Embedded Hardware Designs