The XC4052XLA-08BG432C is a high-performance Field Programmable Gate Array (FPGA) from Xilinx’s XC4000XLA family. Designed for complex, high-density digital logic applications, this device delivers 52,000 gates, 4,598 logic cells, and operates on a 3.3V supply — all packed into a 432-pin BGA package. Whether you’re supporting a legacy industrial system, prototyping a complex design, or sourcing for MRO (Maintenance, Repair & Operations) purposes, the XC4052XLA-08BG432C remains a trusted and capable component.
What Is the XC4052XLA-08BG432C?
The XC4052XLA-08BG432C is part of Xilinx’s XC4000XLA/XV FPGA family, a series engineered to provide the performance advantages of custom CMOS VLSI without the high NRE costs and long lead times of masked gate arrays. This device is manufactured on a proven 0.35µm CMOS process technology, offering a balance of gate density, speed, and low-power 3.3V operation.
The part number encodes critical configuration details:
| Code Segment |
Meaning |
| XC4052 |
XC4000 series, 52K gate density |
| XLA |
Extra Low Power / Advanced variant |
| 08 |
Speed grade (–8 ns) |
| BG432 |
432-pin Ball Grid Array (BGA) package |
| C |
Commercial temperature range (0°C to +85°C) |
XC4052XLA-08BG432C Key Specifications
The table below provides a complete overview of the electrical and physical specifications for the XC4052XLA-08BG432C.
| Specification |
Value |
| Manufacturer |
Xilinx (AMD) |
| Series |
XC4000XLA / XV |
| Part Number |
XC4052XLA-08BG432C |
| Gate Count |
~52,000 Gates (~33,000 usable) |
| Logic Cells |
4,598 |
| Operating Voltage (VCC) |
3.3V |
| Process Technology |
0.35µm CMOS |
| Speed Grade |
–8 (8 ns pin-to-pin logic delay) |
| Maximum System Frequency |
Up to 80 MHz |
| I/O Pins |
Up to 352 user I/Os |
| Package Type |
BGA (Ball Grid Array) |
| Package Designation |
BG432 (432-pin) |
| Temperature Range |
Commercial: 0°C to +85°C |
| RoHS Compliance |
Not Compliant (legacy device) |
| Configuration Interface |
Serial / Parallel PROM, Boundary Scan |
XC4052XLA-08BG432C Package & Pinout Overview
The BG432 package is a 432-ball plastic BGA, providing a compact footprint with high I/O density. This makes it suitable for space-constrained PCB designs requiring a large number of user-configurable I/O lines.
| Package Detail |
Value |
| Package Type |
Plastic Ball Grid Array (BGA) |
| Total Pins |
432 |
| User I/O Pins |
352 |
| Ball Pitch |
1.27mm |
| Mounting Style |
SMD (Surface Mount Device) |
| PCB Footprint |
BGA432 |
PCB Design Note: Due to the BGA form factor, proper PCB design practices — including controlled impedance, via fanout, and thermal management — are essential for reliable operation.
XC4000XLA Architecture: How the XC4052XLA-08BG432C Works
Configurable Logic Blocks (CLBs)
The core of any Xilinx FPGA is its Configurable Logic Block (CLB). In the XC4052XLA-08BG432C, each CLB contains:
- Two 4-input function generators (Look-Up Tables / LUTs)
- Two flip-flops (D-type registers)
- Carry and arithmetic logic chains
- Wide function multiplexers
These CLBs can implement arbitrary combinational logic, sequential state machines, arithmetic functions, and shift registers.
Block RAM and Distributed RAM
The XC4000XLA family supports distributed on-chip SRAM, using the LUT resources as synchronous read/write memory arrays. This enables efficient local data buffering without requiring external memory devices for many applications.
I/O Blocks (IOBs)
Each I/O block supports:
- Programmable input/output standards (TTL, CMOS, 3.3V)
- Configurable pull-up/pull-down resistors
- Slew-rate control
- 3-state output enables
Routing Architecture
The XC4052XLA-08BG432C features Xilinx’s hierarchical routing infrastructure, combining:
- Direct interconnects between adjacent CLBs for fast local connections
- Long lines spanning the full width or height of the device
- Tri-state buffers on horizontal long lines for bus-style architectures
XC4052XLA-08BG432C Performance Summary
| Performance Parameter |
Value |
| Pin-to-Pin Logic Delay (Tpd) |
8 ns (–08 speed grade) |
| Setup Time (Tsu) |
~3.5 ns typical |
| Clock-to-Out (Tco) |
~4.5 ns typical |
| Maximum Toggle Frequency |
Up to 80 MHz |
| Internal Propagation Delay |
< 1 ns (CLB-to-CLB adjacent) |
Supported Configuration Methods
The XC4052XLA-08BG432C supports multiple configuration modes, giving designers flexibility in how the device loads its programming bitstream at power-up:
| Configuration Mode |
Description |
| Master Serial |
FPGA reads bitstream from a serial PROM |
| Slave Serial |
External controller drives serial data |
| Master Parallel (x8) |
Faster configuration via 8-bit parallel PROM |
| Slave Parallel (Peripheral) |
Byte-wide external microprocessor configuration |
| Boundary Scan (JTAG) |
IEEE 1149.1 JTAG interface for programming and testing |
JTAG boundary scan also supports in-circuit testing, making the XC4052XLA-08BG432C compatible with standard ATE (Automated Test Equipment) environments.
Typical Applications for the XC4052XLA-08BG432C
The XC4052XLA-08BG432C is well-suited for a broad range of applications, particularly in legacy system maintenance and designs requiring 3.3V-compatible FPGA logic.
| Application Area |
Use Case Example |
| Industrial Control |
PLC logic replacement, motor drive sequencing |
| Telecommunications |
Framer/mapper circuits, protocol state machines |
| Test & Measurement |
Pattern generation, signal capture and analysis |
| Defense & Aerospace |
Legacy system support, ruggedized compute logic |
| Medical Devices |
Real-time signal processing, sensor interface |
| Communications |
UART, SPI, I2C, and custom bus controllers |
| Prototyping |
Fast logic prototyping before ASIC tape-out |
Ordering Information and Part Variants
The XC4052XLA family is available in multiple speed grades and packages. The table below shows common variants for easy selection:
| Part Number |
Speed Grade |
Package |
Temp Range |
I/O Count |
| XC4052XLA-08BG432C |
–8 |
BG432 (BGA) |
Commercial |
352 |
| XC4052XLA-09BG432C |
–9 |
BG432 (BGA) |
Commercial |
352 |
| XC4052XLA-08BG432I |
–8 |
BG432 (BGA) |
Industrial |
352 |
| XC4052XLA-08HQ208C |
–8 |
HQ208 (PQFP) |
Commercial |
156 |
| XC4052XLA-08BGG352C |
–8 |
BGG352 (BGA) |
Commercial |
284 |
“C” suffix = Commercial temperature range (0°C to +85°C)
“I” suffix = Industrial temperature range (–40°C to +100°C)
Why Choose the XC4052XLA-08BG432C?
✔ Proven Legacy Support
The XC4052XLA-08BG432C has been deployed in thousands of production designs across telecom, industrial, and defense markets. Its mature technology makes it a reliable choice for long-life system support.
✔ High Gate Density in a Compact BGA
With 52,000 equivalent gates in a 432-pin BGA footprint, the device delivers significant logic capacity without requiring a large PCB area.
✔ Flexible I/O Configuration
Up to 352 user I/Os allow interfacing with a wide range of peripherals, buses, and external memory devices.
✔ Multiple Configuration Options
Support for serial PROM, parallel PROM, and JTAG configuration provides design flexibility and ease of in-field reprogramming.
✔ 3.3V Single-Supply Operation
The 3.3V supply voltage makes the XC4052XLA-08BG432C compatible with modern mixed-voltage system designs without additional level translation in most cases.
Design Tools and Software Support
The XC4052XLA-08BG432C is supported by Xilinx’s ISE Design Suite (recommended for XC4000-series devices). Key tool capabilities include:
- Schematic and HDL entry (VHDL, Verilog)
- Logic synthesis via XST or third-party tools (Synplify, Precision)
- Place & Route optimized for XC4000XLA architecture
- Timing analysis and simulation (ModelSim, ISim)
- JTAG programming via iMPACT or equivalent cable
Note: Xilinx Vivado does not support the XC4000XLA family. Use ISE 14.x for full device support.
Frequently Asked Questions (FAQ)
What is the XC4052XLA-08BG432C?
The XC4052XLA-08BG432C is a Xilinx XC4000XLA-family FPGA featuring approximately 52,000 logic gates (4,598 logic cells), a –8 speed grade, 3.3V operation, and a 432-pin BGA package rated for commercial temperatures.
What is the maximum frequency of the XC4052XLA-08BG432C?
The device supports system clock frequencies up to approximately 80 MHz, with pin-to-pin logic delay as low as 8 ns at the –08 speed grade.
Is the XC4052XLA-08BG432C RoHS compliant?
No. As a legacy device, the XC4052XLA-08BG432C is not RoHS compliant and contains lead-based solder materials. It is intended for use in applications where RoHS exemptions apply.
What software do I use to program the XC4052XLA-08BG432C?
Use Xilinx ISE Design Suite 14.x with iMPACT for programming. JTAG-based configuration is the most common method using a Xilinx Platform Cable USB or equivalent.
What is the difference between the “C” and “I” suffix versions?
The “C” suffix denotes a Commercial temperature range (0°C to +85°C), while the “I” suffix denotes an Industrial temperature range (–40°C to +100°C).
Summary
The XC4052XLA-08BG432C is a well-established, high-gate-density FPGA from Xilinx’s XC4000XLA family. With 52,000 gates, 352 user I/Os, a –8 ns speed grade, and a compact 432-pin BGA package, it remains a strong choice for legacy system maintenance, MRO sourcing, and applications requiring proven 3.3V FPGA logic. Its support for multiple configuration methods and broad tool compatibility make it a versatile and dependable component across industrial, telecom, defense, and commercial design environments.
