The XCS30XL-PQ208 is a powerful Field Programmable Gate Array (FPGA) from the renowned Spartan-XL family, originally developed by Xilinx (now AMD). This industrial-grade Xilinx FPGA delivers exceptional performance with up to 30,000 system gates, making it an ideal solution for cost-sensitive applications requiring flexible, reconfigurable logic.
XCS30XL-PQ208 Key Features and Benefits
The XCS30XL-PQ208 FPGA offers a comprehensive feature set designed for demanding embedded systems. Engineers choose this device for its optimal balance of logic density, I/O capability, and low power consumption.
High Logic Density and Performance
This Spartan-XL FPGA provides substantial logic resources in a compact package. The device features 1,368 logic cells organized in a 24×24 CLB (Configurable Logic Block) matrix, enabling complex digital designs without external components.
Low-Voltage 3.3V Operation
Operating at 3.3V core voltage, the XCS30XL-PQ208 reduces power consumption significantly compared to 5V alternatives. This makes it suitable for battery-powered and portable applications where energy efficiency is critical.
Industrial Temperature Grade
The “I” suffix in XCS30XL-4PQ208I indicates industrial temperature range operation from -40°C to +85°C. This ensures reliable performance in harsh environmental conditions, including automotive, industrial automation, and outdoor equipment.
XCS30XL-PQ208 Technical Specifications
General Device Parameters
| Parameter |
Specification |
| Manufacturer |
AMD (formerly Xilinx) |
| Family |
Spartan-XL |
| Part Number |
XCS30XL-4PQ208I |
| Device Type |
Field Programmable Gate Array (FPGA) |
| Technology |
SRAM-based |
| Process Technology |
0.35/0.25µm CMOS |
Logic Resources
| Resource |
Value |
| Maximum System Gates |
30,000 |
| Typical Gate Range |
10,000 – 30,000 |
| Logic Cells |
1,368 |
| CLB Matrix |
24 × 24 |
| Total CLBs |
576 |
| Total Flip-Flops |
1,536 |
| Distributed RAM Bits |
18,432 |
I/O Specifications
| Parameter |
Value |
| Maximum User I/O |
169 |
| Package Type |
208-BFQFP (Plastic Quad Flat Pack) |
| Pin Count |
208 |
| I/O Standards |
LVTTL, LVCMOS, PCI Compliant |
| Slew Rate Control |
Yes |
Performance Characteristics
| Parameter |
Value |
| Maximum System Frequency |
217 MHz |
| Speed Grade |
-4 |
| Internal Oscillator |
4 – 10 MHz |
| Configuration Memory |
SRAM |
Electrical Specifications
| Parameter |
Minimum |
Typical |
Maximum |
Unit |
| Core Supply Voltage (VCCINT) |
3.0 |
3.3 |
3.6 |
V |
| I/O Supply Voltage (VCCO) |
3.0 |
3.3 |
3.6 |
V |
| Operating Temperature (Industrial) |
-40 |
— |
+85 |
°C |
| Storage Temperature |
-65 |
— |
+150 |
°C |
XCS30XL-PQ208 Architecture Overview
Configurable Logic Blocks (CLBs)
The XCS30XL-PQ208 architecture centers on its 576 Configurable Logic Blocks. Each CLB contains three look-up tables (LUTs) serving as function generators, two flip-flops, and flexible routing multiplexers. This structure enables implementation of combinational logic up to nine inputs and sequential circuits with various clocking options.
Distributed RAM Capability
With 18,432 bits of distributed RAM, the XCS30XL-PQ208 supports on-chip memory requirements without external components. Each CLB can implement 16×2 or 32×1 RAM configurations, useful for FIFOs, buffers, and register files.
Dedicated Carry Logic
Fast arithmetic operations benefit from dedicated carry chains running vertically through CLB columns. This significantly accelerates adders, counters, and comparators—essential for DSP and data processing applications.
Versatile I/O Architecture
The 169 user-configurable I/O pins support multiple standards including LVTTL, LVCMOS, and PCI-compliant interfaces. Programmable slew rate control and optional pull-up/pull-down resistors provide design flexibility for various interface requirements.
XCS30XL-PQ208 Package Information
208-BFQFP Package Details
| Dimension |
Value |
| Package Code |
PQ208 |
| Package Type |
Plastic Quad Flat Pack |
| Lead Count |
208 |
| Lead Pitch |
0.5 mm |
| Body Size |
28 × 28 mm |
| Lead Configuration |
Gull Wing |
| Moisture Sensitivity Level |
MSL 3 |
Pin Categories
| Pin Type |
Quantity |
Description |
| User I/O |
169 |
Configurable input/output pins |
| Power (VCC) |
Multiple |
Core and I/O power supply |
| Ground (GND) |
Multiple |
Return path for power |
| Configuration |
7 |
Mode, CCLK, DONE, PROGRAM |
| JTAG |
4 |
TDI, TDO, TMS, TCK |
XCS30XL-PQ208 Configuration Options
Configuration Modes
The XCS30XL-PQ208 supports multiple configuration modes for flexible system integration.
| Mode |
Description |
Application |
| Master Serial |
FPGA generates CCLK |
Serial PROM configuration |
| Slave Serial |
External CCLK |
Processor-controlled config |
| Master Parallel |
8-bit data width |
Fast configuration |
| Slave Parallel |
External controller |
System integration |
| JTAG Boundary Scan |
IEEE 1149.1 |
Development and testing |
Configuration Storage Options
| Storage Type |
Interface |
Speed |
| Xilinx Serial PROM |
Serial |
Standard |
| Parallel Flash |
8-bit |
Fast |
| Microprocessor |
Various |
Flexible |
| JTAG Download |
IEEE 1149.1 |
Debug |
XCS30XL-PQ208 Application Areas
Telecommunications Equipment
The XCS30XL-PQ208 excels in telecommunications applications requiring protocol bridging, data formatting, and interface conversion. Its 217 MHz operation handles high-speed serial interfaces effectively.
Industrial Automation
Industrial control systems benefit from this FPGA’s industrial temperature rating and reconfigurability. Applications include motor control, sensor interfaces, and programmable logic controller (PLC) implementations.
Consumer Electronics
Cost-sensitive consumer products utilize the XCS30XL-PQ208 for video processing, audio interfaces, and display controllers. The device’s low power consumption extends battery life in portable devices.
Automotive Systems
The industrial temperature range makes this FPGA suitable for automotive applications including infotainment systems, sensor processing, and body electronics modules.
Prototyping and Development
Engineers frequently select the XCS30XL-PQ208 for ASIC prototyping and product development. The device enables rapid design iteration before committing to expensive ASIC development.
XCS30XL-PQ208 Ordering Information
Part Number Breakdown
| Code Segment |
Meaning |
| XCS |
Spartan Family |
| 30 |
30K System Gates |
| XL |
Low-voltage (3.3V) variant |
| -4 |
Speed Grade 4 |
| PQ |
Plastic Quad Flat Package |
| 208 |
208 Pins |
| I |
Industrial Temperature |
Available Variants
| Part Number |
Speed Grade |
Temperature |
Package |
| XCS30XL-4PQ208I |
-4 |
Industrial |
208-PQFP |
| XCS30XL-4PQ208C |
-4 |
Commercial |
208-PQFP |
| XCS30XL-5PQ208C |
-5 |
Commercial |
208-PQFP |
| XCS30XL-4TQ144I |
-4 |
Industrial |
144-TQFP |
| XCS30XL-4BG256C |
-4 |
Commercial |
256-BGA |
XCS30XL-PQ208 Design Resources
Development Tools
The XCS30XL-PQ208 is supported by Xilinx ISE Design Suite (versions 14.7 and earlier). This comprehensive toolchain includes schematic capture, HDL synthesis, simulation, and device programming capabilities.
Design Entry Options
| Method |
Tool |
Description |
| Schematic |
ISE Schematic Editor |
Graphical design entry |
| VHDL |
XST Synthesizer |
IEEE 1076 compliant |
| Verilog |
XST Synthesizer |
IEEE 1364 compliant |
| IP Cores |
CORE Generator |
Pre-verified functions |
Documentation
| Document |
Description |
| DS060 |
Spartan/Spartan-XL Data Sheet |
| UG331 |
Spartan-3 Generation Configuration Guide |
| XAPP151 |
Spartan-II Configuration Guide |
Why Choose XCS30XL-PQ208 for Your Design
The XCS30XL-PQ208 represents an excellent choice for engineers requiring proven, reliable FPGA technology. Key advantages include:
Cost-Effective Solution: The Spartan-XL family was designed for high-volume, cost-sensitive applications while maintaining professional-grade quality.
Extensive Documentation: Years of production have generated comprehensive application notes, reference designs, and community support.
Long-Term Availability: As a mature product, the XCS30XL-PQ208 offers stable supply chains through authorized distributors.
Proven Reliability: Deployed in millions of devices worldwide, this FPGA has established an exceptional track record.
XCS30XL-PQ208 Comparison with Related Devices
| Parameter |
XCS30XL |
XCS20XL |
XCS40XL |
| Logic Cells |
1,368 |
950 |
1,862 |
| System Gates |
30,000 |
20,000 |
40,000 |
| CLBs |
576 |
400 |
784 |
| Max User I/O |
192 |
160 |
224 |
| Distributed RAM |
18,432 |
12,800 |
25,088 |
Conclusion
The XCS30XL-PQ208 FPGA delivers a compelling combination of performance, flexibility, and value for embedded system designers. With 30,000 system gates, 169 user I/O pins, and industrial temperature operation, this Spartan-XL device addresses diverse application requirements from telecommunications to industrial automation.
Whether you’re developing new products or maintaining existing designs, the XCS30XL-PQ208 provides the proven reliability and comprehensive support that professional engineers demand.
