The SMD SN74HC42D is a BCD-to-decimal decoder IC in SOP-16 (SOIC-16) surface-mount package, designed for digital decoding and display driver applications in Pakistan. This CMOS logic integrated circuit converts 4-bit binary-coded decimal (BCD) input into 10 active-low decimal outputs, providing reliable decoding for seven-segment displays, multiplexers, and digital control systems. The SMD package enables compact PCB layouts and automated assembly for professional electronics manufacturing and prototyping.

Key Features

• BCD-to-decimal decoder converts 4-bit BCD input to 10 active-low decimal outputs
• SOP-16 (SOIC-16) surface-mount package for compact PCB design and automated assembly
• CMOS technology offers low power consumption and wide voltage range operation
• High noise immunity and excellent ESD protection for reliable operation in Pakistan
• Wide operating voltage range 2V to 6V suitable for 3.3V and 5V logic systems
• Active-low outputs ideal for driving seven-segment displays and multiplexers
• Industry-standard pinout compatible with 74HC42 logic family
• RoHS compliant and suitable for lead-free soldering processes

Applications & Use Cases

• Seven-segment display drivers and digital counter circuits in Pakistan
• BCD-to-decimal conversion for digital instrumentation and meters
• Multiplexer and demultiplexer control signal generation
• Digital clock and timer display decoding circuits
• Industrial control panels and numeric display systems
• Educational electronics and digital logic learning projects
• Microcontroller interface for decimal output devices

Technical Specifications

• Part Number: SN74HC42D (Texas Instruments)
• Function: BCD-to-Decimal Decoder (4-to-10 line decoder)
• Input: 4-bit BCD (Binary Coded Decimal)
• Output: 10 active-low decimal outputs
• Logic Family: CMOS (74HC series - High-speed CMOS)
• Package: SOP-16 / SOIC-16 (Surface Mount)
• Supply Voltage: 2V to 6V DC (3.3V and 5V compatible)
• Input Logic Levels: CMOS compatible (VIH ≥70% VCC, VIL ≤30% VCC)
• Output Logic Levels: Active-low CMOS outputs
• Propagation Delay: Typical 25ns at 5V
• Operating Temperature: -40°C to +85°C (industrial grade)
• Pin Count: 16 pins
• Mounting: Surface mount (SMD/SMT)
• Weight: Approx. 0.3g

Why Buy from Digilog.pk?

We provide authentic SN74HC42D and 74HC series decoder ICs in Pakistan at competitive prices. Fast delivery to Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, and across Pakistan with technical support for your digital display and decoding projects.