ID82C59A

The Renesas ID82C59A is a CMOS programmable interrupt controller (PIC) designed to manage prioritized interrupt requests in microprocessor-based systems, extending the industry-standard 82C59A architecture with robust Renesas semiconductor fabrication. Fabricated in a CDIP (Ceramic Dual In-line Package), the device provides eight levels of vectored priority interrupts, expandable to sixty-four through master-slave cascading without additional glue logic. It supports fully nested, rotating, and specific-masked priority modes alongside edge- or level-triggered input configurations, and operates with low static power consumption characteristic of CMOS process technology. The CDIP hermetic package ensures high resistance to moisture and mechanical stress, making the component suitable for extended temperature ranges and severe environmental conditions often required in military and aerospace specifications.

Typical applications span embedded computing, industrial control systems, defense avionics, and legacy microprocessor platforms where reliable interrupt management is critical. The ID82C59A integrates into central processing architectures to offload interrupt arbitration from the CPU, preserving deterministic real-time response in mission-critical equipment. Procurement engineers should consider the product’s long-standing mature status, which may introduce obsolescence risks, and evaluate Renesas’s lifecycle management programs for continued availability. The ceramic DIP package and manufacturer’s traceability align with high-reliability procurement standards such as MIL-STD-883 or equivalent screening levels, making source authentication and environmental compliance documentation essential elements of the component acquisition process.