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What Does the Xilinx Spartan 2 FPGA Offer?

The xilinx Spartan 2 provides users with many logic resources, rich features, and high performance at an extremely low price. This family consists of six members offering densities that have system gates around 15,000 to 200,000. Furthermore, the performance of the system features a support of around 200MHz. The main features are four DLLs, 56k bits of block RAM that is distributed into 75,264 bits, as well as 16 (sixteen) I/O standards.

In addition, it also has fast and predictable interconnects. This means that the successive design iterations keep meeting the timing requirements. Furthermore, the xilinx spartan 2 is much better compared to ASICs. Also, the FPGA helps in preventing long cycles for development, inherent risks, as well as initial cost that affect the conventional ASICs.

Furthermore, the FPGA’s programmability allows design upgrades in fields that don’t require replacing the hardware. With ASICs, this is impossible. Let’s learn more about the Xilinx spartan 2 FPGA by considering its features. Please continue reading to understand better.

What are the Features of Xilinx Spartan 2 FPGA Family?

Xilinx Spartan 2
Xilinx Spartan 2

This second generation technology for ASIC includes these features

Features of the Second Generation Technology for ASIC

  • Very low cost
  • Streamlined features based on the Virtex FPGA’s architecture
  • Unlimited reprogrammability
  • High densities that can reach logic cells of 5,292. Also present are system gates of 200,000.
  • Cost effective and features a 0.18 micron process

Features of the System Level

  • The selectRAM’s hierarchical memory features a 16 bits/LUT distributed RAM. In addition, the external RAM’s interfaces are fast. Also, the RAM of the bit block is configurable.
  • Totally PCI compliant (100%)
  • Its routing architecture works using lower power and is segmented
  • Has full readback ability that ensures verification and observability
  • Cascade chain which makes sure of wide input functions
  • Excellent multiplier support
  • Dedicated carry logic that makes high-speed arithmetic possible
  • 4 primary low-skew nets to ensure clock distribution
  • Many registers/latches with enable, set, and reset
  • 4 dedicated DLLs, which ensures a better clock control

Input/Output and Versatile Packaging

  • Hot swap compact PCI friendly
  • Family footprint compatibility in the visual packages
  • Zero hold time, which explains the system timing
  • Sixteen interface standards having high performance
  • Low-cost packages for almost all densities
  • Lead-free package options

Other Features

  • The input/output powering is usually at 2.5V, 3.3V, or 1.5V
  • Automatic mapping, placement, and routing

Functional Description of the Xilinx Spartan 2 FPGA

Architectural Description

The xilinx spartan 2 FPGA deals with a specific field programmable gate. Here, there are five elements that are configurable. These include:

  • CLBs that provide elements for the building of most logic
  • Memories for the block RAM having 4096 bits each
  • Multi-level flexible interconnect structure
  • IOBs provide the required interface between the package pins and internal logic

The configurable logic blocks create the main logic structure gaining access to the routing structures. Also, the logic and memory elements are also around these IOBs. Furthermore, this goes a long way in easily routing signals off and on the chip. The static memory cells’ values also take charge of the logic elements and interconnect sources. All these values can also reload just to alter the device’s functions.

The Input/Output Block

The spartan 2 FPGA features both outputs and inputs. These elements support different input/output signaling standards. In addition, the inputs and outputs can offer support for different bus and modern memory interfaces. Also, the IOB registers (3 in number) function as the D-type edge-triggered flip flops or level-sensitive latches.

Each IOB has a CE (clock enable) signal for each register. In addition, the IOB has clock signals distributed all through the registers. Asides from the CLK and CE control signals, the three registers share the SR (Set/Reset).

Configurable Logic Block

This logic cell is known as the major building block of the xilinx spartan 2 FPGA CLB. This logic cell is made up of a generator with a 4-input function, storage element, as well as a carry logic. Every Spartan 2 FPGA has four logic cells. Furthermore, this FPGA CLB is made up of logic which functions using function generators. With this, around six inputs are offered.

Block RAM

Also, there are many large block random access memories (RAMs) that are incorporated or integrated by the spartan 2 FPGAs. With this, you will help complement the LUTs of the RAM, which provides memory structures that are shallow in the CLBs.

Also, the memories of the block RAM appear in columns. The devices of the spartan 2 also feature two main columns. Also, every column appears along every vertical edge. The columns also help in expanding the full height of the chip. The spartan 2 device having eight CLBs height features two memory blocks to serve each column.

Programmable Routing Matrix

Here, the delay path helps in restricting a worst-case design’s speed. In just one process, the route software, the routing architecture, as well as the place, are all defined. The process helps in reducing long-path delays. Also, they provide the most appropriate system performance. Asides from this, it also reduces the compilation times because of its user-friendly architecture.

What are the Devices of the Xilinx Spartan 2 FPGA?

Full pcb manufacturing

Below are the devices of the xilinx spartan 2 FPGA

XC2S50-TQG144C XC2S50-5TQG144I XC2S50-6TQG144C

XC2S50-5TQG144C XC2S50-5TQ144C XC2S50-5TQ144I

XC2S50-5PQG208I XC2S50-5PQ208C XC2S50-5PQG208C

XC2S50-5FGG256I XC2S50-5FG256I XC2S50-5FGG256C

XC2S30-VQ100AMS XC2S30-6VQG100C XC2S30-PQ208

XC2S30-6TQG144C XC2S30-5VQG100C XC2S30-6CS144C

XC2S30-5VQ100I XC2S30-5TQG144I XC2S30-5VQ100C

XC2S30-5TQG144C XC2S30-5CSG144C XC2S30-5PQ208C

XC2S200-6FGG456C XC2S200-5PQG208C XC2S200-6FGG256C

XC2S200-5PQ208C XC2S200-5FGG456C XC2S200-5FGG456I

XC2S200-5FGG256I XC2S200-5FG456I XC2S200-5FGG256C

XC2S200-5FG456C XC2S15-5VQG100I XC2S200-5FG256I

XC2S15-5VQG100C XC2S15-5TQG144C XC2S15-5VQ100C

XC2S150-6PQG208C XC2S150-5PQG208I XC2S150-6PQ208C

XC2S150-5PQG208C XC2S150-5PQ208I XC2S150-5PQ208Q

XC2S150-5FG456C XC2S100-6PQG208I XC2S150-5FG256C

XC2S100-6PQG208C XC2S100-6PQ208C XC2S100-6PQ208I

XC2S100-5TQG144I XC2S100-5TQ144C XC2S100-5TQ144I

XC2S100-5PQG208I XC2S100-5FGG256I XC2S100-5PQ208I

XC2S100-5FGG256C XC2S100-5FG256C XC2S100-5FG256I

XC2S30-VQG100AMS XC2S100-5FG456CES XC2S200-5FG456-I

XC2S50-FG256AMS XC2S50-6PQG208C XC2S50-6TQ144C

XC2S50-6PQ208C XC2S50-6FG256C XC2S50-6FGG256C

XC2S50-5PQ208I XC2S30-CS144AMS XC2S50-5FG256C

XC2S30-6VQ100C XC2S30-6CSG144C XC2S30-6TQ144C

XC2S30-5VQG100I XC2S30-5TQ144C XC2S30-5TQ144I

XC2S30-5CSG144I XC2S30-5CS144C XC2S30-5CS144I

XC2S200-PQ208AMS XC2S200-6PQ208C XC2S200-6PQG208C

XC2S200-6FG456C XC2S200-5PQG208I XC2S200-6FG256C

XC2S200-5PQ208I XC2S200-5FG256C XC2S200-5FG256FC

XC2S15-6VQG100C XC2S15-6TQG144C XC2S15-6VQ100C

XC2S15-6TQ144C XC2S15-5TQG144I XC2S15-5VQ100I

XC2S15-5TQ144I XC2S15-5CS144I XC2S15-5TQ144C

XC2S15-5CS144C

Conclusion

Here comes the end of our article on the Xilinx spartan 2 FPGA. If you have any more problems and questions, please feel free to reach out to us. We will be glad to help you.

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