LC4512B-5TN176C

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Embedded - CPLDs (Complex Programmable Logic Devices)

The LC4512B-5TN176C is a Complex Programmable Logic Device (CPLD), belonging to the family of embedded logic devices which are used to implement combinational logic circuits. CPLDs are distinguished by their unique architecture which allows them to be programmed with a high density of combinational logic functions, making them ideal for a number of embedded applications. It is an ideal solution for applications such as image processing, signal processing, timing and signal conditioning, and communication systems.

The IC features a flexible architecture with an array of combinational logic blocks, configurable interconnection routing, input and output buffer circuitry, signal generating logic, and arithmetic logic. The LC4512B-5TN176C is compatible with most programming environments, including Verilog and VHDL. The device also supports JTAG (IEEE 1149.1) for programming operations.

At its core, the LC4512B-5TN176C is an array of programmable logic blocks, connected by a grid of wires which are each individually configurable. It features 6,400 programmable logic gates, 91 configurable inputs and outputs, 1,120 macrocells, and a maximum operating frequency of up to 100 MHz. In addition, it offers eight 32-bit I/O channels, programmable resistor networks to provide custom serial I/O, and an array of test and storage resources.

The LC4512B-5TN176C utilizes the process of programmable-logic array (PLA), where a network of AND and OR gates are connected to form a large combinational logic network with embedded feedback loops to drive or inhibit subsequent stages. The total structure is composed of two planes of logic – the control plane (which contains the logic) and the decoder plane (which serves as the logic control). Each logic block is programmable, allowing for configuration of functions with a wide range of operations. The programming can be performed via in-system or external programming with JTAG.

The device also contains a number of peripherals, including I/O registers, interrupt control, power-down logic and a clock management block. It also features EEPROM support, as well as non-volatile memory. The chip also incorporates analog functionality, such as low-pass filters and Regatta digital-to-analog converters.

In addition to its space and power advantages, the LC4512B-5TN176C offers a reduced design cycle time. This is possible because it supports the full continuum of project stages, from feasibility study and functional specifications to design, prototyping, and simulation. Programming is made simple, with dedicated tools and IDE support. The device is also reconfigurable, allowing engineers to quickly adapt their design in the event of any changes.

The LC4512B-5TN176C is a cost-effective and reliable solution, ideal for a wide range of embedded applications. It is well-suited for image processing, communication systems, timing and signal conditioning, and other applications which require complex combinational logic functions.

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