XC4028XL-3HQ304C

The XC4028XL-3HQ304C is a commercial-grade FPGA from AMD’s XC4000E/X family, provided in a 304-pin BFQFP package with exposed pad. It combines a mid-range logic fabric with on-chip RAM and a large I/O count for flexible digital design and interfacing in commercial and consumer systems.

With 2,432 logic elements, approximately 32.8 Kbits of embedded RAM, and 256 I/O pins, this device is intended for applications that require moderate gate density, substantial I/O capacity, and a compact surface-mount package. The device operates from a 3.0–3.6 V supply and is specified for 0 °C to 85 °C.

Key Features

• Logic Capacity 2,432 logic elements and approximately 28,000 gates, enabling implementation of mid-range combinational and sequential logic functions.
• On-chip Memory Approximately 32.8 Kbits of total RAM bits to support small FIFOs, state machines, and local data buffering.
• I/O Resources 256 user I/O pins provide broad external connectivity for parallel buses, control signals, and peripheral interfaces.
• Package and Mounting 304-BFQFP (exposed pad) surface-mount package, supplier device package listed as 304-PQFP (40×40), for high-pin-count designs in a compact footprint.
• Power Single-supply operation from 3.0 V to 3.6 V, simplifying power-rail planning in 3.3 V systems.
• Operating Range Commercial temperature specification from 0 °C to 85 °C, appropriate for a wide range of non-automotive environments.
• Compliance RoHS compliant.

Typical Applications

• Commercial and Consumer Electronics Use as a programmable glue-logic and interface controller where moderate logic density and high I/O count are required.
• Communications and Networking Equipment Implement protocol bridging, parallel interface logic, and control planes that benefit from on-chip RAM and extensive I/O.
• Embedded System Control Implement custom control logic, timing generation, and peripheral interfacing in compact surface-mount designs.
• Prototyping and Legacy Support Suitable for designs that require a proven FPGA architecture with defined logic and memory resources for evaluation and migration.

Unique Advantages

• Balanced Logic and Memory: 2,432 logic elements paired with on-chip RAM provide a balanced resource set for mixed control and buffering tasks.
• High I/O Count: 256 I/O pins allow direct interfacing to wide buses and multiple peripherals without extensive external logic.
• Compact High-Pin Package: The 304-pin BFQFP exposed pad package delivers high pin density in a 40×40 footprint for space-constrained PCBs.
• Simplified Power Integration: 3.0–3.6 V single-supply operation aligns with common 3.3 V system rails, reducing power-rail complexity.
• Commercial Temperature Suitability: Rated for 0 °C to 85 °C for dependable operation across typical commercial environments.
• RoHS Compliant: Meets RoHS requirements for lead-free assembly and regulatory compliance.

Why Choose XC4028XL-3HQ304C?

The XC4028XL-3HQ304C is positioned for designers who need a mid-range FPGA with a practical combination of logic elements, embedded RAM, and a large I/O complement in a compact surface-mount package. Its single-supply 3.0–3.6 V operation and commercial temperature range make it suitable for a broad set of commercial and consumer applications where predictable, programmable logic is required.

This device offers a straightforward migration path for designs that require moderate gate density and significant pin count without moving to higher-density families. It provides long-term value through a well-defined resource set and compliance with RoHS for modern assembly requirements.

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