LC4064B-25T44C

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4064B-25T44C 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 integration - Low power consumption - Fast propagation delay - Flexible programming options - Wide operating temperature range

Package: The LC4064B-25T44C is available in a 44-pin Thin Quad Flat Pack (TQFP) package. This package provides ease of handling and compatibility with standard surface mount technology.

Essence: The essence of the LC4064B-25T44C 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 LC4064B-25T44C is typically supplied in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Operating Voltage: 3.3V
• Maximum Operating Frequency: 25 MHz
• Number of Logic Cells: 64
• Number of I/O Pins: 36
• Programmable Macrocells: 32
• On-Chip Memory: 1,024 bits
• JTAG Boundary Scan Support: Yes
• Package Dimensions: 10mm x 10mm

Pin Configuration

The LC4064B-25T44C has a total of 44 pins. The pin configuration is as follows:

Pin 1: VCCIO Pin 2: GND Pin 3: IO0 Pin 4: IO1 ... Pin 43: IO34 Pin 44: IO35

For a detailed pinout diagram, please refer to the LC4064B-25T44C datasheet.

Functional Features

The LC4064B-25T44C offers several functional features that enhance its usability and performance:

1. Programmability: The device can be programmed using industry-standard hardware description languages (HDLs) such as VHDL or Verilog, allowing designers to create custom logic functions.
2. Flexible I/O Configuration: The device supports a wide range of I/O standards, including LVTTL, LVCMOS, and SSTL, providing compatibility with various external devices.
3. Clock Management: The LC4064B-25T44C includes dedicated clock management resources, such as PLLs (Phase-Locked Loops), enabling precise timing control in complex designs.
4. Embedded Memory: With on-chip memory, the device can store configuration data, lookup tables, or other user-defined data, reducing the need for external memory components.
5. JTAG Boundary Scan: The built-in JTAG boundary scan support allows for easy testing and debugging of the device during development and production stages.

Advantages and Disadvantages

Advantages: - High integration density enables complex circuit implementation in a single device. - Low power consumption makes it suitable for battery-powered applications. - Flexible programming options provide design flexibility and adaptability. - Fast propagation delay ensures high-speed operation. - Wide operating temperature range allows for use in various environments.

Disadvantages: - Limited number of logic cells may restrict the complexity of certain designs. - Programming and debugging processes may require specialized knowledge and tools. - Higher cost compared to simpler programmable logic devices.

Working Principles

The LC4064B-25T44C 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 resources that can be configured to implement desired logic functions.

During programming, the device is loaded with a configuration bitstream that defines the desired logic circuit. This bitstream configures the interconnections between CLBs and sets the functionality of each CLB's LUTs and flip-flops. Once programmed, the LC4064B-25T44C operates as a dedicated digital logic circuit, executing the desired functions.

Detailed Application Field Plans

The LC4064B-25T44C finds applications in various fields, including:

1. Embedded Systems: It can be used in embedded systems for control and interfacing purposes, providing custom logic functions tailored to specific requirements.
2. Communications: The device can be employed in communication systems for protocol handling, data processing, and signal conditioning tasks.
3. Industrial Automation: It enables the implementation of complex control algorithms and logic circuits in industrial automation systems