LC4256B-5T176C

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256B-5T176C 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-performance CPLD with 256 macrocells - Low power consumption - Flexible and reprogrammable - Wide range of operating voltage - Small form factor

Package: The LC4256B-5T176C is available in a 176-pin Thin Quad Flat Pack (TQFP) package. This package provides a compact and reliable solution for integrating the IC into various electronic systems.

Essence: The essence of the LC4256B-5T176C lies in its ability to implement complex digital logic functions in a single integrated circuit. It offers designers the flexibility to create custom logic circuits tailored to their specific application requirements.

Packaging/Quantity: The LC4256B-5T176C is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Number of Macrocells: 256
• Operating Voltage: 3.3V
• Maximum Frequency: 200 MHz
• I/O Pins: 176
• Operating Temperature Range: -40°C to +85°C
• Package Type: TQFP
• Package Dimensions: 20mm x 20mm

Detailed Pin Configuration

The LC4256B-5T176C has a total of 176 pins, each serving a specific function within the device. The pin configuration is as follows:

(Pin diagram table goes here)

Functional Features

1. Programmability: The LC4256B-5T176C is highly programmable, allowing designers to implement a wide range of digital logic functions. This flexibility enables rapid prototyping and design iterations.

2. High-Speed Performance: With a maximum operating frequency of 200 MHz, the LC4256B-5T176C offers high-speed performance suitable for demanding applications.

3. Low Power Consumption: The device is designed to minimize power consumption, making it ideal for battery-powered or energy-efficient devices.

4. Flexible I/O Configuration: The IC provides 176 I/O pins, allowing for versatile connectivity options with other components in the system.

Advantages and Disadvantages

Advantages: - High-performance CPLD with a large number of macrocells - Low power consumption - Flexible and reprogrammable - Wide operating voltage range - Compact package size

Disadvantages: - Limited number of I/O pins compared to some other CPLDs - Relatively higher cost compared to simpler logic devices

Working Principles

The LC4256B-5T176C operates based on the principles of programmable logic. It consists of an array of configurable logic blocks (CLBs) interconnected through a programmable routing matrix. The CLBs contain look-up tables (LUTs), flip-flops, and other elements that can be configured to implement desired logic functions.

During operation, the device is programmed using hardware description languages (HDL) or specialized software tools. The programming configures the CLBs and interconnections to create the desired logic circuitry within the device.

Detailed Application Field Plans

The LC4256B-5T176C finds applications in various fields, including:

1. Embedded Systems: It can be used in embedded systems for controlling and interfacing with peripheral devices.
2. Communications: The device can be employed in communication systems for protocol handling, data routing, and signal processing.
3. Industrial Automation: It can be utilized in industrial automation systems for control logic implementation and sensor interfacing.
4. Consumer Electronics: The IC can be integrated into consumer electronic devices for custom logic functions and system control.

Detailed and Complete Alternative Models

1. LC4128V-75TN100C: A smaller CPLD with 128 macrocells and a TQFP package.
2. LC4384V-75TN176C: A higher-density CPLD with 384 macrocells and a TQFP package.
3. LC4512V-120TN176C: A CPLD with 512 macrocells and a TQFP package, offering increased logic capacity.

These alternative models provide different options based on the required number of macrocells and logic capacity.

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