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XC95108-7PQ160C

XC95108-7PQ160C Description

The XC95108-7PQ160C is a high-performance Complex Programmable Logic Device (CPLD) from AMD's XC9500 series, designed for flexible digital logic implementation. This 160-pin QFP (Quad Flat Package) device integrates 108 macrocells and 6 logic blocks, offering a gate count of 2400 with a maximum propagation delay of 7.5 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 systems requiring deterministic timing and high reliability. Though now obsolete, its in-system programmability (ISP) with 10,000+ program/erase cycles ensures long-term configurability.

XC95108-7PQ160C Features

• 108 I/O Pins: High pin count for versatile interfacing.
• In-System Programmability (ISP): Supports field updates without removal from the circuit.
• Fast Propagation Delay: 7.5 ns max ensures high-speed logic operations.
• 6 Logic Blocks: Efficiently partitions logic for complex designs.
• 5V Operation: Compatible with legacy TTL/CMOS systems.
• Surface-Mount Package (160-QFP): Space-efficient for PCB integration.
• MSL 3 (168 Hours): Moderate moisture sensitivity for controlled environments.

Advantages over Similar Models:

• Higher macrocell count (108 vs. lower-density CPLDs) for larger designs.
• Lower latency (7.5 ns) compared to older CPLDs, improving real-time performance.
• ISP capability reduces development time vs. OTP (One-Time Programmable) alternatives.

XC95108-7PQ160C Applications

• Industrial Control Systems: PLCs, motor control, and sensor interfacing.
• Legacy System Upgrades: Replacing discrete logic or older PLDs in 5V systems.
• Embedded Systems: Glue logic, bus arbitration, and state machines.
• Telecommunications: Protocol bridging and signal conditioning.
• Test Equipment: Customizable timing and sequencing logic.

Conclusion of XC95108-7PQ160C

The XC95108-7PQ160C is a robust, high-density CPLD suited for 5V, speed-critical applications requiring reprogrammability and deterministic timing. While obsolete, its 108 I/Os, 7.5 ns performance, and ISP support make it a legacy workhorse for industrial and embedded designs. Engineers seeking drop-in replacements or low-risk upgrades for older systems may still find value in its balance of flexibility and performance.

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