HLF 74LS42 BCD to Decimal Decoder – DIP16 | 1-of-10 Low-Power Schottky TTL Logic IC | 4.75V–5.25V, 0°C to +70°C | Through-Hole Package

HLF

The HLF 74LS42 is a BCD to Decimal Decoder (1-of-10) IC using Low-Power Schottky TTL (LS) technology, providing high-speed decoding, low power consumption, and excellent noise immunity. It converts 4-bit binary-coded decimal inputs into ten mutually exclusive active-low outputs, making it ideal for digital displays, control systems, and signal decoding applications. Operating voltage is 4.75V–5.25V, with a temperature range of 0°C to +70°C. The DIP16 through-hole package ensures easy use in standard PCBs and prototypes.

Key Features:

  • Function: BCD to Decimal Decoder / 1-of-10

  • Inputs: 4-bit BCD

  • Outputs: 10 Active-Low Decoded Lines

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

  • Operating Voltage: 4.75V – 5.25V

  • Operating Temperature: 0°C to +70°C

  • Package Type: DIP16 (Dual In-Line Package)

  • Mounting Type: Through-Hole

  • High-Speed TTL Operation: Fast propagation for decoding functions

  • Low Power Design: Efficient LS technology

  • Excellent Noise Immunity: Reliable TTL performance

  • Standard Logic Pinout: Easy system integration

Applications:

  • Digital Display Drivers and Counters

  • Signal Decoding and Selection Circuits

  • Embedded Control Systems

  • Industrial Logic and Automation Equipment

  • Educational and Laboratory Electronics