LC4256C-75FTN256BC

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256C-75FTN256BC is a programmable logic device (PLD) that belongs to the family of Complex Programmable Logic Devices (CPLDs). It is designed for digital logic applications and offers high-performance, low-power consumption, and flexibility in circuit design.

Characteristics: - High-density programmable logic device - Low power consumption - Flexible and versatile circuit design capabilities - Fast propagation delay times - Wide operating temperature range - Robust packaging for enhanced durability

Package: The LC4256C-75FTN256BC is available in a 256-ball FineLine BGA package. This package ensures reliable electrical connections and efficient heat dissipation.

Essence: The essence of the LC4256C-75FTN256BC lies in its ability to provide designers with a highly configurable and reprogrammable logic device. It allows for the implementation of complex digital circuits in a single chip, reducing the need for multiple discrete components.

Packaging/Quantity: The LC4256C-75FTN256BC is typically sold individually in anti-static packaging to prevent damage during transportation and storage.

Specifications

• Logic Cells: 2,560
• Macrocells: 128
• Maximum User I/Os: 192
• Operating Voltage: 3.3V
• Operating Frequency: Up to 75 MHz
• Programmable Gates: 5,000
• On-Chip RAM: 64 Kbits
• JTAG Boundary Scan Support: Yes
• Package Dimensions: 17mm x 17mm

Detailed Pin Configuration

The LC4256C-75FTN256BC has a total of 256 pins. The pin configuration is as follows:

• Pin 1: VCCIO
• Pin 2: GND
• Pin 3: TCK
• Pin 4: TMS
• Pin 5: TDI
• Pin 6: TDO
• ...
• Pin 256: VCC

For a complete pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

The LC4256C-75FTN256BC offers several functional features that make it suitable for a wide range of digital logic applications:

1. Programmability: The device can be programmed and reprogrammed to implement various logic functions, allowing for flexibility in circuit design.
2. High-Density Logic Cells: With 2,560 logic cells, the device can accommodate complex digital circuits within a single chip.
3. Fast Propagation Delay: The device provides fast signal propagation, enabling efficient operation at high clock frequencies.
4. On-Chip RAM: The built-in 64 Kbits of RAM allows for temporary data storage, enhancing the device's versatility in data processing applications.
5. JTAG Boundary Scan Support: The JTAG interface facilitates easy testing and debugging of the device during development and production stages.

Advantages and Disadvantages

Advantages: - High-density programmable logic device, reducing component count and board space requirements. - Low power consumption, making it suitable for battery-powered applications. - Flexible circuit design capabilities, allowing for customization and adaptation to specific requirements. - Fast propagation delay times, enabling high-speed operation. - Wide operating temperature range, ensuring reliability in various environments.

Disadvantages: - Limited number of user I/Os compared to some other CPLDs. - Relatively higher cost compared to simpler logic devices for less complex applications. - Requires specialized programming tools and knowledge for configuration.

Working Principles

The LC4256C-75FTN256BC operates based on the principles of programmable logic. It consists of an array of configurable logic blocks (CLBs) interconnected through programmable interconnects. The CLBs contain look-up tables (LUTs), flip-flops, and other components that can be configured to implement desired logic functions.

During programming, the device is configured by loading a bitstream into its internal memory. This bitstream defines the desired logic connections and functionality. Once programmed, the device operates autonomously, executing the specified logic functions based on the input signals received.

Detailed Application Field Plans

The LC4256C-75FTN256BC finds applications in various fields, including:

1. Embedded Systems: The device can be used in embedded systems for control and interfacing purposes.
2. Communications: It can be employed in communication systems for protocol handling, signal processing, and data manipulation.
3. Industrial Automation: The device enables the implementation of complex control algorithms and logic circuits in industrial automation systems.
4. Consumer Electronics: It can be utilized in consumer electronic devices for digital signal processing, user interface control