LC4256B-75FTN256AC

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256B-75FTN256AC is a programmable logic device (PLD) that belongs to the family of Complex Programmable Logic Devices (CPLDs). It is designed to perform various logic functions and is widely used in digital systems.

Characteristics: - High-density programmable logic device - Low power consumption - Fast performance - Flexible and reprogrammable - Suitable for complex digital designs

Package: The LC4256B-75FTN256AC is available in a 256-pin Fine-Pitch Ball Grid Array (FBGA) package. This package provides excellent thermal and electrical performance, ensuring reliable operation.

Essence: The essence of the LC4256B-75FTN256AC lies in its ability to provide a highly configurable and versatile solution for implementing complex digital logic designs.

Packaging/Quantity: The LC4256B-75FTN256AC is typically sold individually in anti-static packaging to prevent damage during transportation and storage.

Specifications

The LC4256B-75FTN256AC offers the following specifications:

• Logic Cells: 256 macrocells
• Maximum User I/Os: 192
• Operating Voltage: 3.3V
• Speed Grade: 75MHz
• On-Chip Memory: 4,000 bits
• Programmable Interconnect Points: 5,376
• JTAG Boundary Scan Support: Yes
• Package Dimensions: 17mm x 17mm

Detailed Pin Configuration

The LC4256B-75FTN256AC has a total of 256 pins, each serving a specific purpose. The pin configuration is as follows:

(Pin diagram goes here)

Functional Features

The LC4256B-75FTN256AC offers several functional features that make it a versatile choice for digital system designs:

1. Programmability: The device can be programmed to implement various logic functions, allowing for flexibility in design.
2. High-Density Logic Cells: With 256 macrocells, the device can handle complex digital designs efficiently.
3. Fast Performance: The CPLD operates at a speed grade of 75MHz, ensuring rapid execution of logic functions.
4. Low Power Consumption: The LC4256B-75FTN256AC is designed to minimize power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High-density logic cells enable complex digital designs. - Fast performance allows for efficient execution of logic functions. - Low power consumption makes it suitable for portable devices. - Reprogrammable nature provides flexibility in design changes.

Disadvantages: - Limited number of user I/Os compared to some other PLDs. - Higher cost compared to simpler programmable logic devices.

Working Principles

The LC4256B-75FTN256AC operates based on the principles of programmable logic. It consists of an array of logic cells that can be interconnected and programmed to perform desired logic functions. The device utilizes a combination of look-up tables (LUTs), flip-flops, and interconnect resources to implement complex digital designs.

Detailed Application Field Plans

The LC4256B-75FTN256AC finds applications in various fields, including but not limited to:

1. Embedded Systems: Used in microcontroller-based systems for implementing custom logic functions.
2. Communications: Employed in networking equipment for protocol handling and data processing.
3. Industrial Automation: Utilized in control systems for implementing complex logic operations.
4. Consumer Electronics: Integrated into devices like smartphones, tablets, and gaming consoles for custom logic requirements.

Detailed and Complete Alternative Models

1. LC4128V-75TN100C: A similar CPLD with 128 macrocells and a speed grade of 75MHz.
2. LC4384B-5T176C: A higher-density CPLD with 384 macrocells and a speed grade of 5MHz.
3. LC4032V-75TN48C: A lower-density CPLD with 32 macrocells and a speed grade of 75MHz.

These alternative models offer different combinations of logic cells, speed grades, and package options to cater to various design requirements.

In conclusion, the LC4256B-75FTN256AC is a high-density programmable logic device that provides flexibility, fast performance, and low power consumption. It finds applications in embedded systems, communications, industrial automation, and consumer electronics. While it has some limitations in terms of user I/O count and cost, it offers a versatile solution for implementing complex digital designs.