LC4128B-10TN128I

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Embedded - CPLDs (Complex Programmable Logic Devices)

The LC4128B-10TN128I, otherwise known as the Complex Programmable Logic Device (CPLD), is an important part of embedded systems technology. CPLDs are widely used in digital systems as they are designed to integrate multiple functions into a single device, reducing the complexity in a system. These devices come in a variety of package types, speeds and capabilities which makes them suitable for a wide range of applications.

The LC4128B-10TN128I is designed to meet the needs of emerging applications that require high performance, low power consumption, low cost and low pin count. This device features 10 times the number of macrocells of the original LC4128B-10, enabling designers to deliver the maximum amount of logic integration in the smallest available package. It also provides designers with the ability to include a wide range of high-density logic functions, including flip-flops, adders, multipliers, barrel shifters, shift registers and more.

The LC4128B-10TN128I also provides a highly configurable architecture that enables designers to easily meet the performance, density, power and cost requirements of a wide variety of applications. This device supports up to 929 user-configurable integrated macrocells for instantiating user-defined combinatorial and sequential logic functions. The macrocells can be configured into 8 and 16-bit wide data paths and arrays and enable the user to configure complex state machine, microprocessor, and hardware controllers.

In addition to its configurable architecture, the LC4128B-10TN128I also features embedded clock management capabilities that enable designers to easily synchronize, distribute and manage clocks in their applications. The device also comes with a rich set of programmable interconnects, including over 90 user-selectable pull-down and pull-up interconnects for connecting multiple CPLD devices and for connecting to external pins. These programmable interconnects enable designers to quickly construct complex and robust interconnect networks.

The LC4128B-10TN128I is a popular CPLD solution for applications such as industrial automation, automotive, avionics and medical. Its configurable architecture and embedded clock management capabilities make it an ideal solution for applications that require integration of multiple functions while still maintaining high performance and low power consumption. The device also features high levels of programming flexibility, low cost, a wide range of package options, and ease of integration with other programmable logic devices.

Working Principle

The LC4128B-10TN128I is a CPLD device and is programmed using instructions written in a language called VHDL, which stands for Very High Speed Integrated Circuit Hardware Description Language. VHDL is a programming language used to describe the behaviour of the components and connections in an electronic system. By writing instructions in VHDL, designers are able to create CPLD devices with the desired functionality.

When the instructions written in VHDL are applied to the device, it is configured to act in a certain way and is then programmed with data. This data is stored in individual cells called macrocells and can be changed by rewriting the data in these macrocells. The LC4128B-10TN128I features 929 programmable macrocells, allowing designers to easily configure their device to their desired specifications.

Once the device is programmed and configured, it can be used to implement complex logic functions. The inputs to the device can be connected to external pins, allowing the device to interact with the external environment. The device can also be connected to other CPLD devices, allowing designers to create larger, more complex systems.

The LC4128B-10TN128I is a powerful and flexible CPLD solution that is well-suited for a variety of embedded applications. Its configurable architecture, embedded clock management capabilities and programmable interconnects make it a great choice for applications that require high performance and low power consumption.

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