GAL22V10D-15QJN

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Embedded - CPLDs (Complex Programmable Logic Devices) have been widely used in many applications as they offer unparalleled logic performance compared to FPGAs (Field Programmable Gate Arrays). Among these devices is the GAL22V10D-15QJN, an optimally designed PLD (Programmable Logic Device) to enable application-specific hardware and software customizations. This article will discuss the application field and working principle of the GAL22V10D-15QJN.

The GAL22V10D-15QJN is a versatile PLD that was designed for custom logic applications using a logic flow, such as memory controller and microprocessor interfaces, bus arbitration, high speed data conversion and I/O control functions. It is best suited for any application that requires multiple independent logic systems such as data sequencing, alarm controllers and robotic systems.

Due to its split memory architecture, the GAL22V10D-15QJN is capable to both store and evaluate program data. It is equipped with 16 fields, of which 8 are used in the instruction word and 8 are in the data word. Also, it can accomplish up to 128 instructions and 128 data words depending on the size of the application. Furthermore, the access time of the GAL22V10D-15QJN is 10 ns while its path delay varies from 3 ns to 8 ns.

The GAL22V10D-15QJN is a specialized PLD that is based on Programmable Memory Array (PMA) technology, which allows for fast logic performance and simple programming. It enables users to quickly prototype their applications using pre-made complex logic states, which can then be adapted to specific application requirements. Furthermore, the architecture supports typical sequential mode, toggle mode and multiple outputs.

The working principle of the GAL22V10D-15QJN is based on a programmable logic array (PLA), which consists of a number of logic cells, each cell containing two multiplexers, one of which is used to store the logic state, while the other is used to control the logic flow. Each logic cell is connected to an address decoder, which is used to execute instructions. The logic cells are organized in fields, which are placed in an instruction and data word. The instruction word contains 8 fields and the data word consists of 8 fields, each field containing 32 unique instruction or data words.

The GAL22V10D-15QJN also includes a programmable input mixer, which allows the PLD to analyze the logic flow and detect errors before programming. This allows for better quality and performance assurance during programming. Furthermore, the PMA technology used by the GAL22V10D-15QJN enables extremely low power dissipation which allows the use of the device in battery operated and energy efficient applications.

In conclusion, the GAL22V10D-15QJN is a versatile PLD with optimized design to allow for application-specific hardware and software customizations. It is optimized for logic flow applications such as memory controllers, microprocessor interfaces, alarm controllers, robotic systems and bus arbritrations. Its PMA technology provides fast logic performance as well as simple programming. Furthermore, its programmable input mixer allows for error detection before programming and its low power dissipation feature enables it to be used in energy-efficient applications.

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