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XC95108-10PC84I

XC95108-10PC84I Description

The XC95108-10PC84I is a Complex Programmable Logic Device (CPLD) from AMD's XC9500 series, designed for high-performance digital logic applications. This 84-pin PLCC (Plastic Leaded Chip Carrier) packaged device integrates 108 macrocells and 6 logic blocks, delivering 2,400 equivalent gates with a maximum propagation delay (tpd) of 10 ns. Operating within a 4.5V to 5.5V supply range, it supports in-system programmability (ISP) with a minimum endurance of 10,000 program/erase cycles, making it suitable for iterative development and field upgrades. Although marked as obsolete, it remains relevant in legacy systems requiring reliable, low-latency logic solutions.

XC95108-10PC84I Features

• High-Density Logic Integration: 108 macrocells and 6 logic blocks enable complex state machines and glue logic consolidation.
• Fast Performance: 10 ns propagation delay ensures rapid signal processing for timing-critical applications.
• In-System Programmability (ISP): Supports reconfiguration without physical removal, reducing downtime.
• Robust I/O Capability: 69 I/O pins provide flexible interfacing with peripherals and other logic devices.
• 5V Operation: Compatible with traditional TTL/CMOS systems, simplifying integration into existing designs.
• Surface-Mount Packaging: 84-PLCC form factor suits space-constrained PCB layouts.

XC95108-10PC84I Applications

• Industrial Control Systems: Ideal for motor control, PLCs, and sensor interfacing due to deterministic timing.
• Telecommunications: Used in legacy switching equipment and protocol converters for signal routing.
• Embedded Systems: Replaces discrete logic in microcontroller peripherals or bus arbitration.
• Automotive Electronics: Employed in diagnostics and dashboard logic (where 5V systems persist).
• Military/Aerospace: Suitable for obsolescence mitigation in long-lifecycle hardware.

Conclusion of XC95108-10PC84I

The XC95108-10PC84I balances logic density, speed, and reprogrammability, making it a pragmatic choice for legacy upgrades or systems demanding 5V compatibility. While newer CPLDs offer lower voltages and higher densities, this device excels in rugged, noise-immune environments where proven reliability outweighs cutting-edge specs. Engineers should evaluate its obsolete status against project longevity but can leverage its ISP capability for iterative debugging and field updates.