4-Bit BCD Multiplier Using LS-Series ICs
A four-bit binary-coded decimal multiplier designed and simulated with 74LS-series TTL logic ICs.
Cover image
Overview
A four-bit binary-coded decimal (BCD) multiplier built from LS-series TTL logic integrated circuits, for Logic Circuits and Design (August – December 2025).
My role
Project Manager and Circuit Designer:
- Designed and simulated the multiplier circuit
- Verified the design through simulation, then demonstrated correct operation across the required input combinations
Tools
Circuit Wizard, 74LS-series integrated circuits
