ISPLSI 5384VE-100LF256

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Embedded CPLDs are a type of field programmable logic devices used in a wide range of applications and offer a range of advantages. The ISPLSI 5384VE-100LF256 is a typical example of a CPLD and it provides extensive design flexibility and better system performance in applications where high fluctuations in input and output activity can occur. This article will provide an overview of the ISPLSI 5384VE-100LF256 complex programmable logic device, its application field and working principle.

ISPLSI 5384VE-100LF256 Overview

The ISPLSI 5384VE-100LF256 is a Complex Programmable Logic Device (CPLD) manufactured by Integrated Silicon Products LP, Inc (ISPLsi). It is a low pin-count, low power and cost-optimised device that features a wide range of unique options that offer an effective and reliable solution to complex system problems.

The ISPLSI 5384VE-100LF256 CPLD comprises of six layers of configurable logic cells that can be arranged into different combinations to achieve exact design requirements. It has a maximum capacity of 5384 logic gates and 352 user configurable macro blocks. It also features 40 non-programmable global pins, eight fully configurable IO pins and an integrated phase-locked-loop (PLL) module. This device is available in 0.25, 0.35 and 0.50 micron process technologies.

Application Field and Working Principle

The ISPLSI 5384VE-100LF256 can be used in an array of applications including communications, consumer and industrial control equipment. Its integrated PLL module and embedded timing elements make it an ideal choice for applications requiring high-speed data transfer. In addition, its ability to accommodate multiple clock domains makes it suitable for applications relying on sophisticated timing sequences. Its low pin-count, low power and cost-optimized design make it a great choice for applications with tight budget constraints.

The working principle of the ISPLSI 5384VE-100LF256 is formed through five distinct levels. The first level of the device is the array of logic cells which is composed of programmable logic blocks and macro cells. Each logic cell can be configured to perform a specific logic function. The second level of the device exploits these configurable logic blocks to construct a larger logic network called a logic array block. The third level comprises of a sum of product term expander and support products. A sum of product term expander is responsible for the formation of the fourth level of the device, the sum of product terms. These terms are combined to form a logic equation and are programmed in the fourth level. The fifth level is the logic interface which connects the logic blocks and macro cells to external pins.

The ISPLSI 5384VE-100LF256 is capable of supporting advanced design techniques such as state-machine design, system reset design and advanced timing schemes. Further, it supports a range of asynchronous and synchronous design techniques. It can accommodate up to 16 user-defined macro blocks and the macro blocks can be linked together to form larger custom functions. Macro blocks can be programmed to perform simple functions such as comparative, storage, parallel and shift register functions.

The ISPLSI 5384VE-100LF256 CPLD can be programmed using either a software-based emulator or a dedicated programming device. It is programmed using a static, on-chip RAM and it is considered to be very reliable during programming operations due to its nonvolatile RAM architecture.

Conclusion

The ISPLSI 5384VE-100LF256 complex programmable logic device is a versatile and feature-rich device that provides extensive design flexibility. It is suitable for various applications such as communications, consumer and industrial control equipment and is capable of accommodating up 16 user-defined macro blocks. It is programmed using static, on-chip RAM and offers reliable and efficient operation.

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