EPM7128SQC100-10FN

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Embedded - CPLDs (Complex Programmable Logic Devices), such as the EPM7128SQC100-10FN, have grown increasingly popular in both the consumer and industrial sectors due to the cost and power benefits they offer when compared to traditional hardware implementation. The primary drawback of a CPLD is its limited number of logic elements and gates, making it better suited to specific application areas where optimized logic solutions are preferable. Such applications include logic intensive embedded systems, and this article will discuss the EPM7128SQC100-10FN and its application field and working principle.

Features of EPM7128SQC100-10FN

The EPM7128SQC100-10FN is an 8-pin CPLD from Altera, offering fixed-function and configurable I/O pins, 512 macrocells, maximum 800 mA device current, up to 500 max internal logic arrays, and highest-density device packages specially designed for space-constrained embedded applications. Its integrated architecture with voltage and temperature-blocking features allows the CPLD to operate between 3.3V to 5.5V power supplies, with up to 10V input level for I/O pins. Its low-power consumption, small package size, and wide operating temperature range make it a reliable choice for high-density logic applications in extreme temperatures.

Applications of EPM7128SQC100-10FN

In terms of application areas, the EPM7128SQC100-10FN is ideally suited to programmable logic intensive embedded systems such as industrial automation, medical imaging and control, biometric security, and industrial safety. Due to its integration of a power-on reset (POR) and voltage-detect (VDCDET) circuitry, it is ideal for battery-powered systems which require stable logic power supply and logical transitions as soon as the voltage stabilizes. In addition, it is also suitable for applications where programmable logic intensive firmware is required such as aerospace and military applications, automotive systems, communications, and consumer electronics.

Working Principle of EPM7128SQC100-10FN

The EPM7128SQC100-10FN follows a two-stage construction philosophy. It contains two product lines: the Altera MAX and the Altera ACE series. Both of these product lines contain an array of logic cells, programmable interconnects, 23 Series columns, and control logic for configuration, control and data flow. The Altera MAX series is the basic CPLD family with 512 logic elements and up to 500 internal logic arrays. The Altera ACE series contains up to 1024 logic elements and up to 1000 internal logic arrays. Moreover, each series can store up to 10 billion possible configurations.

The CPLD is programmed by loading .jed (Joint Electron Device Engineering Council) files, containing all the necessary logic for the target application. The programmed device is then powered up, and the logic configuration will be automatically loaded into the CPLD.In addition, gates and logic cells are configured by connecting pins and designing the circuit. Once the logic has been programmed into the CPLD, it can process data in a single clock cycle, enabling applications with high-speed operation requirements.

The EPM7128SQC100-10FN CPLD provides a compact and reliable solution for logic intensive embedded applications, enabling improved system performance, cost savings, and design flexibility. Its wide range of features, wide operating voltage and temperature range, and ultra-low power consumption make it a desirable choice for numerous embedded applications.

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