The XC4052XLA-09BG432I is a high-performance Field Programmable Gate Array (FPGA) manufactured by Xilinx, part of the industry-proven XC4000XLA/XV Family. Designed for complex, high-density digital logic applications, this device delivers 52,000 gates of programmable logic in a robust 432-pin BGA package with industrial-grade temperature tolerance. Whether you are sourcing for legacy system maintenance, military applications, or industrial control systems, the XC4052XLA-09BG432I remains a reliable and sought-after component.

If you are evaluating Xilinx FPGA solutions for your project, this guide covers everything you need — from core specifications to packaging details and application use cases.

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What Is the XC4052XLA-09BG432I?

The XC4052XLA-09BG432I is a member of Xilinx’s XC4000XLA family — a line of 3.3V CMOS FPGAs built on 0.35µm multi-layer metal process technology. The “09” in the part number denotes the speed grade, “BG432” specifies the 432-pin Ball Grid Array (BGA) package, and the “I” suffix confirms the Industrial temperature range (-40°C to +100°C).

This device integrates 4,598 logic cells (equivalent to approximately 52,000 usable gates), making it well-suited for demanding digital design tasks that require high logic density and predictable timing.

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XC4052XLA-09BG432I Key Specifications

General Electrical Specifications

Package & Physical Specifications

Logic Architecture Specifications

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XC4052XLA-09BG432I Part Number Decoder

Understanding the part number makes sourcing and validation easier:

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XC4052XLA-09BG432I vs. Related Variants

The XC4052XLA is available in multiple speed grades, package sizes, and temperature ranges. The table below compares the most common variants:

Note: A lower speed grade number (e.g., -08) indicates faster timing than a higher number (e.g., -09). The -08 variant offers superior performance, while the -09 variant provides a slightly more cost-effective option for less timing-critical applications.

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XC4000XLA Family Architecture Overview

Configurable Logic Blocks (CLBs)

The XC4052XLA-09BG432I is built around a matrix of Configurable Logic Blocks (CLBs), each containing two 4-input look-up tables (LUTs), one 3-input H function generator, two storage elements (flip-flops or latches), and fast carry logic. This architecture enables efficient implementation of arithmetic functions, state machines, and data path logic.

I/O Blocks (IOBs)

Each I/O pin is controlled by a programmable I/O Block (IOB) that supports input and output registers, programmable slew rate control, pull-up/pull-down resistors, and open-drain output configuration — giving designers maximum flexibility to interface with 3.3V logic systems.

Routing Resources

The device features a hierarchical interconnect structure including local fast interconnects within CLB rows and global interconnects for long-distance signal routing, ensuring timing closure on complex designs.

Clock Distribution

Four dedicated global clock buffers distribute low-skew clocks across the entire device, enabling reliable synchronous design implementation at high frequencies.

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Configuration Modes for XC4052XLA-09BG432I

The XC4052XLA-09BG432I supports multiple configuration modes, allowing flexible system integration:

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Applications of XC4052XLA-09BG432I

The industrial temperature range, high gate count, and 3.3V operation make this FPGA well-suited for a variety of applications:

• Industrial Automation – Motor control, PLC logic replacement, sensor data processing
• Military & Defense – Legacy board maintenance, rugged industrial control systems
• Telecommunications – Protocol conversion, data buffering, line card interfaces
• Test & Measurement Equipment – Custom logic for automated test systems
• Medical Devices – Signal processing in imaging and diagnostic equipment
• Embedded Systems – Custom processor interfaces and glue logic replacement

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Why Choose the XC4052XLA-09BG432I for Industrial Designs?

Industrial Temperature Grade (-40°C to +100°C)

The “I” suffix guarantees full operation across the industrial temperature range, making it suitable for harsh environments where commercial-grade (-0°C to +85°C) components would fail.

Proven 0.35µm CMOS Process

Built on a mature, stable fabrication process, the XC4052XLA-09BG432I offers consistent silicon characteristics — a critical factor for long lifecycle industrial and defense programs.

432-Pin BGA for High I/O Density

The BG432 package provides a large number of user I/O pins in a compact footprint, ideal for high-density PCB designs where board real estate is at a premium.

Legacy Design Continuity

As part of the XC4000XLA family, this device is supported by Xilinx’s legacy ISE design tools, and bitstreams are compatible across same-family devices of equivalent array size, protecting your design investment.

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XC4052XLA-09BG432I Ordering Information

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Frequently Asked Questions (FAQ)

What is the XC4052XLA-09BG432I used for?

It is a legacy Xilinx FPGA used in industrial automation, defense, telecommunications, and test equipment where high gate count, industrial temperature tolerance, and 3.3V logic are required.

What is the difference between XC4052XLA-09BG432I and XC4052XLA-08BG432I?

The key difference is the speed grade: the -08 variant has a faster timing specification (~263 MHz) compared to the -09 variant (~227 MHz). Both share the same package, pin count, and industrial temperature range.

Is the XC4052XLA-09BG432I RoHS compliant?

No. As a legacy product, this part is not RoHS compliant. It is intended for use in systems already designed around this component.

What software tools support the XC4052XLA-09BG432I?

This device is supported by Xilinx ISE Design Suite (legacy). It is not compatible with Vivado. Designers should use ISE Foundation or WebPACK for synthesis, implementation, and bitstream generation.

Can the XC4052XLA-09BG432I be reprogrammed?

Yes. XC4000XLA FPGAs are SRAM-based and fully reconfigurable. The configuration is loaded from an external PROM or processor at power-up and can be updated as needed.

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Summary

The XC4052XLA-09BG432I is a proven, high-gate-count Xilinx FPGA in an industrial-grade 432-pin BGA package. With 52,000 logic gates, 3.3V operation, a 0.35µm CMOS process, and full industrial temperature coverage from -40°C to +100°C, it remains an indispensable component for legacy system maintenance and long-lifecycle industrial designs. While classified as Not Recommended for New Designs (NRND), availability through specialty distributors ensures continued supply for existing programs.

For broader context on Xilinx programmable logic solutions, visit our Xilinx FPGA resource page.