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XC95108-20PC84C

XC95108-20PC84C Description

The XC95108-20PC84C is a high-performance Complex Programmable Logic Device (CPLD) from AMD's XC9500 series, designed for flexible digital logic implementation. This 84-pin PLCC (Plastic Leaded Chip Carrier) device integrates 108 macrocells and 6 logic blocks, offering a gate count of 2400 with a maximum propagation delay (tpd) of 20 ns. Operating within a 5V supply range (4.75V–5.25V) and a temperature range of 0°C to 70°C, it is optimized for industrial and embedded applications requiring reliable in-system programmability.

XC95108-20PC84C Features

• In-System Programmable (ISP): Supports 10,000 program/erase cycles, enabling field updates without removal.
• High I/O Density: 69 I/O pins provide extensive interfacing capabilities.
• Fast Performance: 20 ns delay ensures rapid signal processing for timing-critical designs.
• Surface-Mount Packaging: 84-PLCC form factor suits space-constrained PCB layouts.
• Obsolete but Reliable: While discontinued, it remains a robust choice for legacy systems due to its REACH compliance and MSL3 (168-hour moisture resistance).
• Low Power Consumption: Optimized for 5V operation, balancing performance and energy efficiency.

XC95108-20PC84C Applications

Ideal for:

• Industrial Control Systems: Logic consolidation in PLCs and motor controllers.
• Communication Interfaces: Protocol bridging (UART, SPI) and glue logic.
• Legacy Equipment Upgrades: Replacing discrete logic ICs in older designs.
• Embedded Systems: Custom state machines and I/O expansion in microcontroller-based projects.
• Automotive Electronics: Non-safety-critical functions like dashboard logic.

Conclusion of XC95108-20PC84C

The XC95108-20PC84C excels in mid-complexity logic designs, offering a blend of speed, reprogrammability, and I/O flexibility. Though obsolete, its proven reliability and ease of integration make it a pragmatic choice for maintaining or upgrading legacy systems. Engineers seeking a 5V CPLD with high macrocell density will find it a cost-effective solution for prototyping and low-volume production.