XC3S250E-5FTG256C

Product Overview

Category

The XC3S250E-5FTG256C belongs to the category of Field-Programmable Gate Arrays (FPGAs).

Use

FPGAs are integrated circuits that can be programmed after manufacturing. The XC3S250E-5FTG256C is specifically designed for digital logic applications.

Characteristics

• High flexibility: FPGAs allow users to configure the circuitry according to their specific requirements.
• Reconfigurability: The XC3S250E-5FTG256C can be reprogrammed multiple times, making it suitable for prototyping and iterative design processes.
• High performance: FPGAs offer fast processing speeds and can handle complex algorithms efficiently.
• Low power consumption: The XC3S250E-5FTG256C is designed to minimize power usage, making it energy-efficient.

Package and Quantity

The XC3S250E-5FTG256C comes in a 256-ball Fine-Pitch Ball Grid Array (FBGA) package. It is typically sold individually or in small quantities.

Specifications

• FPGA Family: Spartan-3E
• Logic Cells: 2,500
• Number of I/Os: 173
• Operating Voltage: 1.2V
• Maximum Frequency: 400 MHz
• Embedded Memory: 36 Kbits
• Configuration Memory: 4 Mbits
• Package Type: FBGA
• Package Pins: 256
• Temperature Range: -40°C to +100°C

Detailed Pin Configuration

The XC3S250E-5FTG256C has 256 pins, each serving a specific purpose. A detailed pin configuration diagram can be found in the product datasheet.

Functional Features

• Configurable Logic Blocks (CLBs): These blocks contain Look-Up Tables (LUTs) and Flip-Flops (FFs) that can be programmed to implement various logic functions.
• Digital Clock Managers (DCMs): DCMs provide clock management capabilities, including frequency synthesis, phase shifting, and skew adjustment.
• Block RAM: The XC3S250E-5FTG256C includes embedded memory blocks that can be used for data storage or as FIFO buffers.
• I/O Interfaces: The FPGA offers a variety of I/O standards, such as LVCMOS, LVTTL, and differential signaling, enabling easy integration with external devices.

Advantages and Disadvantages

Advantages

• Flexibility: FPGAs allow for rapid prototyping and customization of digital circuits.
• High performance: The XC3S250E-5FTG256C offers fast processing speeds and can handle complex algorithms efficiently.
• Reconfigurability: The ability to reprogram the FPGA multiple times allows for iterative design and testing.

Disadvantages

• Complexity: Designing for FPGAs requires specialized knowledge and expertise.
• Cost: FPGAs can be more expensive compared to other integrated circuits due to their advanced features and flexibility.

Working Principles

FPGAs consist of an array of configurable logic blocks interconnected by programmable routing resources. The configuration of these blocks and interconnections is determined by the user's programming instructions. Once programmed, the FPGA operates based on the defined logic functions, allowing it to perform specific tasks.

Detailed Application Field Plans

The XC3S250E-5FTG256C finds applications in various fields, including: 1. Communications: Used in wireless base stations, network routers, and communication protocols. 2. Industrial Automation: Employed in control systems, robotics, and process automation. 3. Aerospace and Defense: Utilized in radar systems, avionics, and secure communication systems. 4. Medical Devices: Integrated into medical imaging equipment, patient monitoring systems, and diagnostic devices.

Alternative Models

1. XC3S500E-4FTG256C: A higher-capacity FPGA from the same Spartan-3E family, offering 5,000 logic cells.
2. XC6SLX9-2TQG144C: A smaller FPGA from the Spartan-6 family, featuring 9,152 logic cells.
3. XC7A35T-1CPG236C: An FPGA from the Artix-7 family, providing 33,280 logic cells and enhanced performance capabilities.

These alternative models offer different capacities and features to cater to diverse application requirements.

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