LC4256B-5FTN256AI

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256B-5FTN256AI 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 design.

Characteristics: - High-performance CPLD with 256 macrocells - Low power consumption - Flexible and versatile design options - Wide range of input/output pins - Fast propagation delay

Package: The LC4256B-5FTN256AI is available in a small form factor package, making it suitable for space-constrained designs. It comes in a 256-pin Fine-Pitch Ball Grid Array (FBGA) package.

Essence: The essence of the LC4256B-5FTN256AI lies in its ability to provide designers with a highly configurable and programmable logic solution. It allows for the implementation of complex digital circuits and enables rapid prototyping and development of various electronic systems.

Packaging/Quantity: The LC4256B-5FTN256AI is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Macrocell Count: 256
• Operating Voltage: 3.3V
• Maximum Frequency: 200 MHz
• Input/Output Pins: 256
• Package Type: FBGA
• Package Pin Count: 256
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LC4256B-5FTN256AI has a total of 256 pins, each serving a specific purpose in the overall functionality of the device. The pin configuration includes dedicated input/output pins, clock pins, power supply pins, and configuration pins. A detailed pinout diagram can be found in the product datasheet.

Functional Features

• High-density programmable logic device
• In-system programmability (ISP) support
• JTAG boundary-scan test (BST) support
• Flexible I/O options with programmable slew rate control
• Dedicated clock pins for synchronous design implementation
• On-chip memory for storing configuration data

Advantages and Disadvantages

Advantages: - High-performance CPLD with a large number of macrocells - Low power consumption, suitable for battery-powered applications - Versatile and flexible design options - Fast propagation delay for efficient circuit operation - Support for in-system programmability and boundary-scan testing

Disadvantages: - Limited macrocell count compared to larger CPLDs or FPGAs - Relatively higher cost per macrocell compared to larger devices - Limited package options, only available in FBGA package

Working Principles

The LC4256B-5FTN256AI 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 programmed to implement desired logic functions. The device is configured by loading a bitstream into its internal memory, which determines the functionality of each macrocell and the interconnections between them.

Detailed Application Field Plans

The LC4256B-5FTN256AI finds applications in various fields where digital logic circuits are required. Some of the potential application areas include: - Embedded systems - Communication systems - Industrial automation - Consumer electronics - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

• LC4128V-75TN100C: 128 macrocells, 3.3V operating voltage, TQFP package
• LC4384V-75TN176C: 384 macrocells, 3.3V operating voltage, TQFP package
• LC4512V-75TN176C: 512 macrocells, 3.3V operating voltage, TQFP package
• LC4648V-75TN256C: 648 macrocells, 3.3V operating voltage, TQFP package

These alternative models offer different macrocell counts and package options to cater to various design requirements.

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