CS82C54

Overview

The Harris Corporation CS82C54 is a high-performance CMOS Programmable Interval Timer manufactured using an advanced 2-micron CMOS process. It integrates three independently programmable and functional 16-bit counters, each capable of handling clock input frequencies up to 8 MHz. The device features industry-standard configuration for compatibility with Intersil 80C86, 80C88, and 80C286 microprocessors. It supports six programmable timer modes and utilizes CMOS output logic.

Feature Summary

• Three independent 16-bit counters with 8 MHz maximum clock frequency
• CMOS technology compatible with 80C86/80C88/80C286 processors
• Six programmable timer modes for flexible interval generation

Applications

• Timing functions in 80C86-based systems
• Programmable interval generation for peripheral control
• Clock signal management in industrial computing environments

Part Context

The CS82C54 belongs to the 82C54 family of programmable timers. It serves as an enhanced CMOS version of the NMOS 8253, offering higher speed and lower power consumption while maintaining pinout and functional compatibility with legacy NMOS designs.