GAL16V8D-15LPN

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Embedded CPLDs (Complex Programmable Logic Devices) are a type of programmable logic device which are versatile, efficient, and reliable for many applications and provide remarkable flexibility for very low cost. The GAL16V8D-15LPN from Lattice Semiconductor is a great example of a versatile and powerful CPLD. This CPLD features a combination of both powerful on-chip resources and a wide variety of specialized functions, allowing engineers using it to customize the device to their specific needs.

This device is only 16 macro cells in size, but can be configured to permit up to 16 different inputs and 8 different outputs, allowing for very small designs when compared to the chip size. It also integrates all the necessary device programming, system initialization, and system background processes needed to achieve a fully functional, reliable system. Additionally, the GAL16V8D-15LPN has extremely low power consumption and is designed to operate at less than -3.3V, making it ideal for low power, low noise designs.

The GAL16V8D-15LPN has many application fields, such as low power, low noise digital designs, specifically for A/D and D/A converter applications. It is also used in digital signal processing (DSP) systems and designed to support complex data manipulation techniques, including multi-dimensional signal processing, as well as a variety of motor control and interface applications. The CPLD can also be used in industrial and consumer applications including robotics, HVAC, automotive, and monitoring systems.

The GAL16V8D-15LPN working principle is based on the concept of combinational logic. In combinational logic, a combination of signals is used to analyze and calculate outputs. The CPLD internally contains memory, a mode decoder, an external control and output multiplexer, an input multiplexer, and a active low output enable. When a particular opcode is received from the CPU, the mode decoder analyses the logic sequence and determines what phase will be taken inside the CPLD. Next, the input multiplexer passes the data to one of the 16 macro cells, which is implemented as a RAM cell. The RAM cell stores the input data and sends it to the output multiplexer. The output multiplexer then sends the output to the external active low output enable pin, which sends the output to the processor. Finally, the control multiplexer sends control data to the CPU.

Overall, the GAL16V8D-15LPN provides an attractive alternative to discrete logic and PLD designs. It is a highly integrated, cost effective, and more importantly a versatile CPLD. It is suitable for a wide range of applications and provides designers with low power, low noise, and fast design cycles.

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