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XC95108-7PC84I

XC95108-7PC84I Description

The XC95108-7PC84I is a high-performance Complex Programmable Logic Device (CPLD) from AMD's XC9500 series, designed for flexible digital logic implementation. Housed in an 84-pin PLCC (Plastic Leaded Chip Carrier) package, this surface-mount device integrates 108 macrocells and 6 logic blocks, delivering 2,400 equivalent gates. Operating within a 4.5V to 5.5V supply range, it features a fast propagation delay of 7.5 ns, making it suitable for timing-critical applications. The device supports in-system programmability (ISP) with a minimum of 10,000 program/erase cycles, ensuring reconfigurability during development and deployment. Although marked as obsolete, its robust architecture and reliability make it a legacy choice for specific industrial applications.

XC95108-7PC84I Features

• High Logic Density: 108 macrocells and 6 logic blocks for complex designs.
• Fast Performance: 7.5 ns max delay enables high-speed signal processing.
• In-System Programmability (ISP): Allows field updates with 10K+ cycles.
• Wide Voltage Range: 4.5V–5.5V operation for compatibility with 5V systems.
• 69 I/O Pins: Flexible interfacing with peripherals and other logic devices.
• Surface-Mount Package: 84-PLCC for compact PCB integration.
• Industrial Reliability: REACH unaffected and MSL3 (168 hours) moisture sensitivity.

XC95108-7PC84I Applications

• Legacy System Upgrades: Replaces discrete logic in older 5V designs.
• Communication Interfaces: Glue logic for UART, SPI, or I2C bridging.
• Industrial Control: State machines, motor control, and timing circuits.
• Embedded Systems: Custom logic for prototyping or low-volume production.
• Test Equipment: Reconfigurable logic for signal conditioning or protocol emulation.

Conclusion of XC95108-7PC84I

The XC95108-7PC84I offers a balance of speed, density, and reconfigurability, ideal for legacy 5V systems requiring deterministic timing. While obsolete, its ISP capability and proven reliability make it a pragmatic choice for maintenance or niche applications. Engineers valuing low-risk, high-performance CPLDs in industrial or embedded contexts may still find this device advantageous despite newer alternatives.