The XC4036XLA-09BG432C is a high-performance Field Programmable Gate Array (FPGA) from Xilinx’s XC4000XLA family, distributed by Rochester Electronics. Featuring 36,000 system gates, 3,078 logic cells, and a 432-pin BGA package, this device is a proven solution for engineers working on legacy hardware maintenance, military, aerospace, and industrial embedded systems. If you are sourcing a Xilinx FPGA for a long-lifecycle or obsolescence-managed design, the XC4036XLA-09BG432C remains one of the most widely referenced parts in the XC4000XLA series.
What Is the XC4036XLA-09BG432C?
The XC4036XLA-09BG432C is a member of Xilinx’s XC4000XLA/XV Field Programmable Gate Array product line. Built on a 0.35µm CMOS process and operating at 3.3V, it offers a mature, SRAM-based, reprogrammable logic architecture. The part number breaks down as follows:
| Part Number Segment |
Meaning |
| XC4036 |
XC4000 series, 36K gate density |
| XLA |
Enhanced XLA sub-family (improved XL) |
| 09 |
Speed grade –9 (ns) |
| BG432 |
Ball Grid Array, 432 pins |
| C |
Commercial temperature range (0°C to +85°C) |
XC4036XLA-09BG432C Key Specifications
Core Electrical & Logic Parameters
| Parameter |
Value |
| Manufacturer |
Xilinx (AMD) / Rochester Electronics |
| Product Family |
XC4000XLA/XV |
| Technology Node |
0.35µm CMOS |
| System Gates |
36,000 |
| Logic Cells (CLBs) |
3,078 |
| Maximum Operating Frequency |
227 MHz |
| Supply Voltage (VCC) |
3.3V |
| I/O Supply Voltage |
3.3V |
| Number of I/O Pins |
288 |
| Total Pin Count |
432 |
Package Information
| Parameter |
Value |
| Package Type |
MBGA (Metal Ball Grid Array) |
| Pin Count |
432 |
| Package Code |
BG432 |
| Mounting Style |
Surface Mount (SMT) |
| Operating Temperature |
0°C to +85°C (Commercial) |
| RoHS Status |
Not Compliant |
| Product Status |
Obsolete / Maintained by Rochester Electronics |
Speed & Timing
| Speed Grade |
Propagation Delay |
Max Frequency |
| –09 (this part) |
9 ns |
227 MHz |
| –07 (faster variant) |
7 ns |
294 MHz |
XC4036XLA-09BG432C Features & Architecture
FPGA Architecture Overview
The XC4036XLA-09BG432C is built on Xilinx’s proven CLB (Configurable Logic Block) architecture, refined over fifteen years of FPGA design experience. Each CLB contains look-up tables (LUTs), flip-flops, and fast carry logic, providing both combinatorial and sequential functionality in a single cell.
Key architectural highlights include:
- Abundant routing resources — hierarchical interconnect fabric allows complex signal routing with minimal delay
- Distributed RAM capability — CLBs support shallow distributed RAM for high-density data buffering
- Fast carry logic — dedicated carry chains for high-speed arithmetic operations
- Boundary Scan (JTAG) — IEEE 1149.1-compliant JTAG support for in-circuit testing and programming
- Global clock networks — multiple global clock buffers reduce clock skew across the device
- SelectRAM — on-chip synchronous SRAM for fast local storage
- On-chip oscillator — available for startup sequencing
I/O Capabilities
The 432-pin BGA package exposes 288 user I/O pins, making the XC4036XLA-09BG432C a high-density connectivity solution ideal for data bus interfaces, memory controllers, and signal processing front-ends. I/O banks support multiple voltage standards including 3.3V LVTTL and LVCMOS.
XC4036XLA-09BG432C Pin Configuration
Pin Summary Table
| Pin Category |
Count |
| User I/O Pins |
288 |
| Power (VCC) Pins |
Multiple |
| Ground (GND) Pins |
Multiple |
| Total Ball Count |
432 |
| Configuration Pins |
Dedicated |
| JTAG Pins (TDI, TDO, TCK, TMS) |
4 |
The BG432 footprint uses a standard ball pitch compatible with PCB design guidelines published by Xilinx. Engineers migrating from the XC4036XL to the XC4036XLA should note full pin compatibility within equivalent packages.
XC4036XLA-09BG432C vs. Related Variants
Understanding where the XC4036XLA-09BG432C fits within the XC4036XLA product line helps engineers select the right variant for their application.
Speed Grade Comparison
| Part Number |
Speed Grade |
Max Frequency |
Package |
I/O Count |
| XC4036XLA-07BG432C |
–07 |
294 MHz |
BGA 432 |
288 |
| XC4036XLA-09BG432C |
–09 |
227 MHz |
BGA 432 |
288 |
| XC4036XLA-09BG352C |
–09 |
227 MHz |
BGA 352 |
Fewer |
| XC4036XLA-09HQ240C |
–09 |
227 MHz |
HQFP 240 |
193 |
| XC4036XLA-09HQ208C |
–09 |
227 MHz |
HQFP 208 |
Fewer |
Note: The BG432 package provides the highest I/O count in the XC4036XLA family, making it the preferred choice for designs with extensive external interfaces.
XC4036XLA vs. XC4036XL Comparison
| Feature |
XC4036XL |
XC4036XLA |
| Process Node |
0.35µm |
0.35µm (improved) |
| Speed |
Baseline |
Faster (improved routing) |
| Power Consumption |
Standard |
Reduced |
| Pin Compatibility |
Yes |
Yes |
| Production Status |
EOL |
Maintained (Rochester) |
Applications of the XC4036XLA-09BG432C
Where This FPGA Is Used
The XC4036XLA-09BG432C is commonly found in applications that require long product lifespans, high reliability, and stable component sourcing. Typical use cases include:
- Aerospace & Defense Systems — avionics controllers, radar signal processing, and mission-critical embedded logic
- Industrial Automation — PLC expansion, motor control, and factory automation interfaces
- Legacy System Maintenance — board-level repair and end-of-life hardware sustainment programs
- Medical Equipment — diagnostic device logic control, patient monitoring, and imaging peripherals
- Telecommunications — line card logic, protocol conversion, and switching fabrics
- Test & Measurement Equipment — custom logic for bench instruments and automated test systems
Why Choose Rochester Electronics for XC4036XLA-09BG432C?
Rochester Electronics is an authorized distributor and licensed manufacturer of Xilinx semiconductors for end-of-life and obsolete parts. This means the XC4036XLA-09BG432C sourced from Rochester Electronics is:
- Fully authorized — genuine Xilinx silicon with full traceability
- Guaranteed quality — not a gray market or counterfeit risk
- Long-term availability — Rochester holds significant inventory to support multi-year procurement programs
- Compliant — fully supported for defense and aerospace procurement standards
| Distributor Attribute |
Rochester Electronics |
| Authorization Level |
Licensed Manufacturer & Distributor |
| Traceability |
Full OEM traceability |
| Counterfeit Risk |
None (authorized source) |
| Long-term Supply |
Yes |
| Supported Standards |
AS6496, IDEA-STD-1010 |
XC4036XLA-09BG432C Ordering Information
| Field |
Details |
| Manufacturer Part Number |
XC4036XLA-09BG432C |
| Distributor |
Rochester Electronics LLC |
| Product Category |
Embedded FPGAs |
| Sub-Category |
Field Programmable Gate Array (FPGA) |
| DigiKey Part Number |
Available via DigiKey Marketplace |
| Package Quantity |
Tray – Bulk |
| ECCN |
3A991 (check current EAR classification) |
Programming & Design Tools for XC4036XLA-09BG432C
Supported Xilinx Software
The XC4036XLA-09BG432C is supported by legacy Xilinx design tools. Since this is a XC4000-series device, it is not supported by Vivado, but is fully supported by:
| Tool |
Version |
Notes |
| Xilinx ISE Design Suite |
Up to ISE 14.7 |
Full synthesis & implementation support |
| Foundation Series |
Legacy |
Early Xilinx CAD environment |
| JTAG Programmer |
ISE iMPACT |
Configuration and boundary scan |
| XST (Synthesis) |
ISE 14.7 |
Integrated with ISE |
Engineers can also use third-party synthesis tools (Synopsys Synplify, Mentor Precision) that produce XNF or EDIF netlists compatible with Xilinx Map/Place-and-Route tools.
Frequently Asked Questions (FAQ)
What is the XC4036XLA-09BG432C used for?
The XC4036XLA-09BG432C is used in complex embedded logic applications requiring 36,000 gates of reconfigurable FPGA fabric in a high-density 432-pin BGA package. It is especially common in industrial, aerospace, defense, and legacy sustainment programs.
Is the XC4036XLA-09BG432C obsolete?
Yes, the XC4036XLA family has been discontinued by Xilinx (now AMD). However, Rochester Electronics maintains an authorized supply of this part for long-term procurement programs, ensuring continued availability for lifecycle-managed systems.
What is the difference between XC4036XLA and XC4036XL?
The XC4036XLA is an improved version of the XC4036XL, offering better speed grades, reduced power consumption, and enhanced routing resources, while maintaining the same basic pin and package compatibility.
Can I replace XC4036XLA-09BG432C with a newer Xilinx FPGA?
Migration to newer Xilinx families (Spartan-6, Artix-7) is possible but requires a complete redesign due to architectural differences. For direct drop-in replacement, Rochester Electronics is the primary authorized source for continuing production.
What software do I use to program XC4036XLA-09BG432C?
Use Xilinx ISE Design Suite 14.7 (the final ISE release) for synthesis, implementation, and programming via iMPACT and a JTAG cable (e.g., Xilinx Platform Cable USB II).