The XC3S200-4VQ100C is a high-performance, cost-optimized field-programmable gate array (FPGA) from the Xilinx FPGA Spartan-3 family. Designed for high-volume, cost-sensitive applications, this device delivers powerful logic density in a compact 100-pin VQFP package. Whether you are developing embedded systems, digital signal processing circuits, or custom logic controllers, the XC3S200-4VQ100C offers an ideal combination of performance, I/O flexibility, and affordability.
What Is the XC3S200-4VQ100C?
The XC3S200-4VQ100C is a member of AMD (formerly Xilinx) Spartan-3 series — one of the most widely deployed FPGA families in industrial and commercial electronics. The “200” in the part number indicates 200,000 equivalent system gates, while “4” refers to the speed grade, “VQ100” specifies the 100-pin VQFP package, and “C” denotes the commercial temperature grade (0°C to +85°C).
This device is programmable using Xilinx ISE Design Suite and supports VHDL, Verilog, and schematic-based design entry, making it accessible to both beginner and experienced hardware engineers.
XC3S200-4VQ100C Key Specifications
General Electrical Characteristics
| Parameter |
Value |
| Manufacturer |
AMD (Xilinx) |
| Part Number |
XC3S200-4VQ100C |
| Series |
Spartan-3 |
| Logic Gates (Equivalent) |
200,000 |
| Configurable Logic Blocks (CLBs) |
1,176 |
| Flip-Flops |
4,320 |
| Maximum Distributed RAM |
30 Kb |
| Block RAM |
216 Kb (12 × 18 Kb blocks) |
| DSP / Multiplier Blocks |
12 (18×18-bit multipliers) |
| Maximum User I/O |
63 |
| Package |
VQFP-100 (VQ100) |
| Package Dimensions |
14mm × 14mm |
| Temperature Grade |
Commercial (0°C to +85°C) |
| Supply Voltage (VCCINT) |
1.2V |
| Supply Voltage (VCCO) |
1.2V – 3.3V |
| Speed Grade |
-4 |
XC3S200 Clock and Timing Specifications
| Feature |
Value |
| Digital Clock Managers (DCMs) |
4 |
| Maximum System Clock Frequency |
Up to 280 MHz (speed grade dependent) |
| Global Clock Networks |
8 |
| DLL / PLL Support |
Yes (via DCM) |
| Clock Jitter |
< 200 ps (typical) |
XC3S200-4VQ100C Package and Pin Information
| Attribute |
Details |
| Package Type |
Plastic Very Thin Quad Flat Pack (VQFP) |
| Pin Count |
100 |
| Package Code |
VQ100 |
| Body Size |
14mm × 14mm |
| Lead Pitch |
0.5mm |
| Mounting Type |
Surface Mount (SMD) |
| RoHS Compliance |
Yes |
XC3S200-4VQ100C vs XC3S200-4VQ100I: What Is the Difference?
A common comparison is between the XC3S200-4VQ100C (commercial) and the XC3S200-4VQ100I (industrial). The core silicon, logic, and I/O are identical — the only difference is the operating temperature range.
| Parameter |
XC3S200-4VQ100C |
XC3S200-4VQ100I |
| Temperature Grade |
Commercial |
Industrial |
| Operating Temperature |
0°C to +85°C |
-40°C to +100°C |
| Typical Application |
Consumer, commercial electronics |
Industrial, automotive, harsh environments |
| Price |
Lower |
Slightly Higher |
Choose the C variant for office and lab environments; select the I variant when the device will operate in temperature-extreme conditions such as factory floors or outdoor enclosures.
Spartan-3 Architecture: Internal Resources Explained
Configurable Logic Blocks (CLBs)
The XC3S200 contains 1,176 CLBs, each consisting of four slices. Each slice includes two 4-input look-up tables (LUTs), two flip-flops, carry logic, and multiplexers. This architecture supports both combinational and sequential logic efficiently.
Block RAM (BRAM)
Twelve 18 Kb dual-port block RAM tiles provide 216 Kb of total on-chip RAM. These memories are configurable as single-port or dual-port and support various aspect ratios from 16K×1 to 512×36. Block RAM is ideal for FIFOs, lookup tables, and on-chip data buffers.
Dedicated Multipliers
Twelve 18×18-bit dedicated hardware multipliers accelerate DSP tasks such as digital filtering, FFTs, and modulation/demodulation operations — without consuming CLB resources.
Digital Clock Managers (DCMs)
Four DCMs support clock synthesis, phase shifting, frequency division, and multiplication. They allow designers to generate multiple clock domains with precise phase and frequency relationships from a single input clock.
SelectIO Technology
The XC3S200-4VQ100C supports multiple I/O standards through Xilinx SelectIO, including LVTTL, LVCMOS (3.3V, 2.5V, 1.8V, 1.5V), SSTL, HSTL, and PCI. This flexibility allows seamless interfacing with diverse memory chips, processors, and peripheral devices.
Supported I/O Standards
| I/O Standard |
Voltage |
Use Case |
| LVTTL |
3.3V |
General logic interface |
| LVCMOS33 |
3.3V |
Microcontroller interfacing |
| LVCMOS25 |
2.5V |
Low-power digital logic |
| LVCMOS18 |
1.8V |
Low-voltage peripherals |
| LVCMOS15 |
1.5V |
DDR memory interface |
| SSTL2 / SSTL3 |
2.5V / 3.3V |
SDRAM, DDR1 |
| HSTL |
1.5V |
High-speed internal bus |
| PCI |
3.3V |
PCI bus compliance |
XC3S200-4VQ100C Typical Applications
The XC3S200-4VQ100C is suitable for a wide range of digital design applications:
- Embedded control systems — custom state machines, bus bridges, peripheral controllers
- Digital Signal Processing (DSP) — FIR/IIR filters, FFT engines, audio/video processing
- Communications interfaces — UART, SPI, I2C, CAN bus controllers
- Glue logic replacement — consolidating multiple discrete logic ICs into a single programmable device
- Motor control — PWM generation, encoder decoding, servo control
- Prototyping and education — university labs, FPGA learning boards, hardware proof-of-concept
- Industrial automation — PLC I/O expansion, sensor data acquisition
Configuration Modes
The XC3S200 is a volatile SRAM-based FPGA and must be reconfigured at every power-up. It supports multiple configuration modes:
| Mode |
Description |
| Master Serial |
FPGA drives clock; reads bitstream from serial PROM |
| Slave Serial |
External controller drives clock and data |
| Master Parallel (SelectMAP) |
High-speed parallel configuration from byte-wide flash |
| Slave Parallel (SelectMAP) |
Processor-driven byte-wide configuration |
| JTAG |
Boundary scan and in-system programming via 4-wire JTAG |
The XCF02S or XCF04S Platform Flash PROM is commonly paired with the XC3S200 for reliable non-volatile configuration storage.
Design Tool Support
| Tool |
Details |
| Primary IDE |
Xilinx ISE Design Suite (free WebPACK edition available) |
| Hardware Description Languages |
VHDL, Verilog, SystemVerilog |
| IP Core Library |
Xilinx LogiCORE IP cores |
| Simulation |
ModelSim, ISim (included with ISE) |
| Third-Party Support |
Synplify Pro, Mentor Precision |
| Programming Hardware |
Xilinx Platform Cable USB II, Digilent JTAG-HS2 |
Note: Vivado Design Suite does NOT support Spartan-3 devices. Use Xilinx ISE 14.7 (the final ISE release) for design, synthesis, and implementation.
Power Consumption Overview
| Rail |
Typical Current (Active) |
Notes |
| VCCINT (1.2V) |
~80–150 mA |
Core logic switching power |
| VCCO (3.3V) |
~30–80 mA |
I/O bank power (depends on load) |
| VCCAUX (2.5V) |
~10–20 mA |
Auxiliary circuits, DCM |
Power consumption varies significantly with design activity factor, I/O loading, and clock frequency. Xilinx XPower Analyzer (included in ISE) should be used for accurate power estimation.
Ordering Information
| Part Number |
Package |
Speed Grade |
Temperature |
Description |
| XC3S200-4VQ100C |
VQFP-100 |
-4 |
Commercial (0°C to +85°C) |
This product |
| XC3S200-4VQ100I |
VQFP-100 |
-4 |
Industrial (-40°C to +100°C) |
Industrial version |
| XC3S200-5VQ100C |
VQFP-100 |
-5 |
Commercial |
Faster speed grade |
| XC3S200-4PQ208C |
PQFP-208 |
-4 |
Commercial |
More I/O (141 user I/O) |
| XC3S200-4FT256C |
FTBGA-256 |
-4 |
Commercial |
BGA package, more I/O |
Frequently Asked Questions (FAQ)
What does the “-4” speed grade mean on the XC3S200-4VQ100C?
The speed grade “-4” indicates timing performance relative to other speed grades in the family. Higher speed grade numbers (e.g., -5) are faster but more expensive. The -4 grade is the standard option and supports clock frequencies up to approximately 250–280 MHz depending on the design.
Is the XC3S200-4VQ100C RoHS compliant?
Yes. The commercial VQ100 package of the XC3S200 is available in a RoHS-compliant (lead-free) version. Verify with your supplier that the specific lot is lead-free if compliance is required.
Can I use the XC3S200-4VQ100C in automotive designs?
The “C” (commercial) temperature grade is rated only from 0°C to +85°C, making it unsuitable for most automotive applications. Use the XC3S200-4VQ100I industrial grade (-40°C to +100°C) or consider automotive-qualified parts from higher-end families.
What is the maximum I/O count of the XC3S200 in VQ100 package?
The 100-pin VQFP package provides 63 user-configurable I/O pins. If more I/O is needed, consider the PQ208 (141 I/O) or FT256 (173 I/O) packages of the same XC3S200 die.
What non-volatile storage should I use to configure the XC3S200?
Xilinx recommends Platform Flash PROMs such as the XCF01S (1 Mb), XCF02S (2 Mb), or XCF04S (4 Mb). The XC3S200 bitstream is approximately 1.0 Mb, so the XCF01S is the minimum suitable device.
Summary
The XC3S200-4VQ100C is a dependable, cost-effective FPGA solution for commercial-temperature applications requiring up to 200K logic gates, 216 Kb of block RAM, and 63 user I/O pins in a compact 100-pin VQFP form factor. With 12 dedicated multipliers, 4 digital clock managers, and support for a broad range of I/O standards, this Spartan-3 device continues to be a popular choice for embedded systems, DSP applications, and digital logic prototyping worldwide.
