XC3S400AN-4FTG256I

Product Overview

Category

XC3S400AN-4FTG256I belongs to the category of Field-Programmable Gate Arrays (FPGAs).

Use

FPGAs are integrated circuits that can be programmed and reprogrammed to perform various digital functions. They are widely used in industries such as telecommunications, automotive, aerospace, and consumer electronics.

Characteristics

• High flexibility: FPGAs can be customized to perform specific tasks by programming their internal logic.
• Parallel processing: FPGAs can execute multiple operations simultaneously, making them suitable for high-performance applications.
• Reconfigurability: FPGAs can be reprogrammed multiple times, allowing for design changes and updates without replacing the hardware.
• Low power consumption: FPGAs offer efficient power management features, making them energy-efficient compared to other programmable devices.

Package and Quantity

XC3S400AN-4FTG256I is available in a 256-pin Fine-Pitch Ball Grid Array (FBGA) package. It is typically sold in quantities of one unit or multiples depending on the customer's requirements.

Specifications

• Device type: FPGA
• Family: Spartan-3AN
• Logic cells: 400,000
• Number of I/Os: 256
• Operating voltage: 1.2V
• Speed grade: -4
• Temperature range: Industrial (-40°C to +100°C)
• Package type: FBGA
• Package dimensions: 17mm x 17mm

Detailed Pin Configuration

The XC3S400AN-4FTG256I FPGA has 256 pins, each serving a specific purpose. The pin configuration includes input/output pins, power supply pins, clock pins, and configuration pins. A detailed pinout diagram can be found in the product datasheet.

Functional Features

• High-speed performance: The XC3S400AN-4FTG256I FPGA offers fast processing capabilities, making it suitable for applications that require real-time data processing.
• Embedded memory: It includes embedded Block RAM (BRAM) and Distributed RAM (DRAM), providing efficient storage options for data-intensive applications.
• Built-in DSP slices: The FPGA incorporates Digital Signal Processing (DSP) slices, enabling efficient implementation of complex mathematical algorithms.
• Configurable I/O standards: It supports a wide range of I/O standards, allowing seamless integration with various external devices.
• On-chip configuration memory: The FPGA includes non-volatile configuration memory, eliminating the need for external configuration devices.

Advantages and Disadvantages

Advantages

• Flexibility: FPGAs can be customized to meet specific application requirements, offering design flexibility.
• Reconfigurability: The ability to reprogram FPGAs allows for iterative design improvements and updates.
• Parallel processing: FPGAs can execute multiple tasks simultaneously, resulting in high-performance computing capabilities.
• Power efficiency: Compared to other programmable devices, FPGAs consume less power due to their optimized architecture.

Disadvantages

• Complexity: Designing and programming FPGAs requires specialized knowledge and expertise.
• Cost: FPGAs can be more expensive than other programmable devices, especially for large-scale production.
• Limited resources: The number of logic cells and available resources within an FPGA may impose limitations on the complexity of designs.

Working Principles

FPGAs consist of configurable logic blocks interconnected through programmable routing channels. The logic blocks contain Look-Up Tables (LUTs), flip-flops, and other components that can be programmed to implement desired digital functions. The interconnections between logic blocks allow for the flow of data and control signals. Upon programming, the FPGA's internal configuration memory stores the desired logic configuration, enabling the device to perform the specified tasks.

Detailed Application Field Plans

XC3S400AN-4FTG256I FPGA finds applications in various fields, including:

1. Telecommunications: Used in base stations, routers, and network switches for high-speed data processing and protocol handling.
2. Automotive: Employed in advanced driver-assistance systems (ADAS), infotainment systems, and engine control units for real-time data processing and control.
3. Aerospace: Utilized in satellite communication systems, avionics, and radar systems for their high-performance computing capabilities.
4. Consumer Electronics: Integrated into smart TVs, gaming consoles, and wearable devices for multimedia processing and user interface control.

Detailed and Complete Alternative Models

1. XC3S200AN-4FTG256I: A lower-density variant of the same Spartan-3AN family, offering 200,000 logic cells.
2. XC3S1000AN-4FTG256I: A higher-density variant with 1,000,000 logic cells, suitable for more complex designs.
3. XC6SLX9-2FTG256