CS82C59A-12Z96

Specialized Overview

The CS82C59A-12Z96 is a high-performance CMOS Priority Interrupt Controller manufactured by Renesas Electronics Corporation. It serves as a pin-compatible replacement for the NMOS 8259A, designed to relieve system CPUs from polling tasks in multilevel priority systems. The device supports eight vectored priority interrupting sources and is cascadable to 64 levels without additional circuitry. It operates with a single 5V power supply and features fully static design for low power consumption. The component supports clock frequencies of up to 12.5MHz, ensuring high-speed, no wait-state operation with compatible microprocessors such as the 80C286.

Specialized Feature Summary

• Eight-level priority controller expandable to 64 levels
• Pin compatible with NMOS 8259A
• Fully TTL compatible with low standby power
• Individual request mask capability

Specialized Applications

• Multilevel priority interrupt systems
• Systems utilizing 80C86/88/286 microprocessors
• Industrial control applications requiring programmable interrupt modes

Specialized Procurement Notes

Verify the specific suffix Z96 against official Renesas documentation to confirm package type and moisture sensitivity level. Confirm end-of-life status and availability through authorized distributors, as this part number may be discontinued or subject to limited production runs. Ensure compliance with RoHS requirements if applicable to the specific manufacturing batch.

Specialized Selection Notes

Select this component when a CMOS upgrade for the 8259A is required with lower power consumption and higher speed. Ensure the system design supports the 5V single supply voltage. Verify that the target microprocessor architecture is compatible with the 80C86/88/286 formats supported by the 82C59A series.

Specialized Part Context

The CS82C59A-12Z96 belongs to the 82C59A family of peripheral interface controllers. This family provides enhanced performance over older NMOS versions while maintaining compatibility. The 'CS' prefix typically denotes commercial temperature range and specific packaging options within the Renesas portfolio.

Specialized Replacement Considerations

Direct pin-compatible replacements include the IS82C59A and standard 82C59A variants. Verify electrical specifications and operating temperature ranges before substituting with other manufacturers' equivalents.