LC4256B-5TN100I

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Embedded - CPLDs (Complex Programmable Logic Devices) are a type of programmable logic device or integrated circuit which contains a predefined set of basic logic blocks. This subset of logic blocks can be configured to implement different logic configurations including finite state machine (FSM) and Boolean operations. In comparison to a traditional FPGA, CPLDs are typically less expensive and have much more diverse programming capabilities. One example of this type of device is the LC4256B - 5TN100I.

This particular CPLD has an array of function blocks which includes 4-input look-up tables and macro cells. Its high-density EEPROM allows up to 256 bits of non-volatile memory. In addition, it also features programmable I/O cells, High-speed global and local buses, high-performance DSP blocks, and a built-in clock multiplier.

The application field of the LC4256B - 5TN100I spans a wide range of industries from automotive, communications and defense to industrial, medical and consumer. Its versatile design and reliable performance make it suitable for applications in these and many more areas.

To understand the working principle of this CPLD, it’s important to understand the concept of logic gates. A logic gate is a logic circuit which can be configured to perform a specific logic operation on one or more logic inputs and produces one logic output. For example, an AND gate is a logic circuit which has two binary inputs and one output. The output is 1 only when both inputs are 1, otherwise it’s 0. CPLDs are essentially composed of multiple logic gates which can be configured to implement complex logic functions.

The LC4256B - 5TN100I can be programmed in two different modes: block construction and macro construction. In the block construction mode, logic blocks are configured to perform a specific logic operation. This is essentially the same as programming a logic gate. For example, an AND gate is programmed by connecting the inputs of an AND gate together with the appropriate logic levels. In the macro construction mode, programming is done by connecting several logic blocks together to form more complex logic functions. For example, an adder can be programmed by connecting the input of the adder to the inputs of two AND gates and the output of the adder to the output of the AND gates.

Overall, the LC4256B - 5TN100I is a versatile CPLD which can be used in a wide range of applications. Its easy-to-program design makes it ideal for many embedded applications. Programmable logic blocks and macro construction capabilities make it ideal for implementing complex logic functions. Its high-density EEPROM allows for the storage of data which makes it suitable for data acquisition, communication and decision-making applications.

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