LFE5U-85F-8MG285I

Product Overview

Category

The LFE5U-85F-8MG285I belongs to the category of Field Programmable Gate Arrays (FPGAs).

Use

This FPGA is commonly used in various electronic devices and systems for digital logic implementation, such as communication equipment, industrial control systems, and consumer electronics.

Characteristics

• High-performance FPGA with advanced features
• Offers a large number of programmable logic elements
• Provides high-speed interfaces for data transfer
• Supports complex digital signal processing algorithms
• Enables flexible and customizable designs

Package

The LFE5U-85F-8MG285I comes in a compact and durable package suitable for surface mount technology (SMT) assembly. The package ensures reliable operation and protection against environmental factors.

Essence

The essence of the LFE5U-85F-8MG285I lies in its ability to provide a versatile and reconfigurable platform for implementing complex digital logic functions. It allows designers to create custom hardware solutions without the need for dedicated integrated circuits.

Packaging/Quantity

The LFE5U-85F-8MG285I is typically packaged in reels or trays, depending on the manufacturer's specifications. The quantity per package varies but is usually in the range of 100 to 1000 units.

Specifications

• FPGA Family: Lattice ECP5
• Logic Cells: 84,000
• Embedded Memory: 8 Mb
• Maximum Frequency: 500 MHz
• I/O Pins: 285
• Operating Voltage: 1.2V
• Package Type: BGA
• Temperature Range: -40°C to +100°C

Detailed Pin Configuration

The LFE5U-85F-8MG285I has 285 I/O pins that can be configured for various purposes. The pin configuration is as follows:

• Pin 1: VCCIO
• Pin 2: GND
• Pin 3: IO0
• Pin 4: IO1
• ...
• Pin 284: IO283
• Pin 285: IO284

Functional Features

• High-speed interfaces: The FPGA supports various high-speed interfaces, including PCIe, DDR3, and Gigabit Ethernet, enabling fast data transfer between the FPGA and external devices.
• Flexible I/O configuration: The LFE5U-85F-8MG285I allows designers to configure the I/O pins for different voltage standards, such as LVCMOS, LVTTL, and LVDS, providing compatibility with a wide range of devices.
• Embedded memory: With 8 Mb of embedded memory, the FPGA can efficiently store and process large amounts of data, making it suitable for applications requiring significant data buffering or caching.
• DSP capabilities: The LFE5U-85F-8MG285I includes dedicated digital signal processing (DSP) blocks, allowing for efficient implementation of complex algorithms commonly used in communication and signal processing systems.

Advantages and Disadvantages

Advantages

• Versatility: The FPGA's reconfigurable nature enables the implementation of diverse logic functions, making it suitable for a wide range of applications.
• Customizability: Designers can tailor the FPGA's functionality to meet specific requirements, resulting in optimized performance and reduced system complexity.
• Time-to-market: FPGAs offer faster development cycles compared to custom ASICs, allowing for quicker prototyping and product iterations.

Disadvantages

• Power consumption: FPGAs typically consume more power compared to application-specific integrated circuits (ASICs), which may be a concern in low-power or battery-operated devices.
• Complexity: Utilizing FPGAs requires expertise in digital design and programming, making it less accessible for novice users.
• Cost: FPGAs can be more expensive than off-the-shelf microcontrollers or dedicated integrated circuits, especially for low-volume production.

Working Principles

The LFE5U-85F-8MG285I operates based on the principles of reconfigurable logic. It consists of a large number of programmable logic elements interconnected through configurable routing resources. These logic elements can be programmed to implement various digital functions, such as arithmetic operations, data processing, and control logic. The FPGA's configuration is stored in non-volatile memory and can be modified at runtime, allowing for dynamic reconfiguration of the hardware.

Detailed Application Field Plans

The LFE5U-85F-8MG285I finds applications in various fields, including:

1. Communication Systems: Used for implementing high-speed data interfaces, protocol converters, and signal processing algorithms in wireless communication systems, routers, and network switches.
2. Industrial Control Systems: Employed in industrial automation, robotics, and process control systems for real-time control, monitoring, and data acquisition.
3. Consumer Electronics: Integrated into multimedia devices, gaming consoles