GAL22V10D-25QPN

GAL22V10D-25QPN is a kind of Complex Programmable Logic Device (CPLD) widely used in embedded applications. It is developed by Lattice Semiconductor, offering complete on-chip solutions for embedded systems. It integrates all the required components on a single chip, including memory, logic, and microelectronic blocks.

The GAL22V10D-25QPN is a high-capacity, high-performance, low-power device that comes with 1.75 million system gates. It is able to reduce power consumption and respond quickly to system changes due to its highly efficient architecture. It is suitable for small-scale system designs, and also provides error correction and auto-discovery features.

The application field of GAL22V10D-25QPN covers healthcare, industrial control, automotive and consumer electronics. It helps to control the entire system’s operation, making systems more reliable and efficient. While in automotive area, it is usually used in vehicle information systems, motor drives and active safety systems to ensure more accurate operation.

When it comes to the working principle of GAL22V10D-25QPN, it is based on a reconfigurable combinatorial logic array, which can be programmed to perform a variety of complex functions. It is controlled by a Multi-Array SRAM (MASRAM) that contains the user-defined program code and can be reloaded or re-configured to add new or updated functions. The MASRAM also minimizes power consumption for efficient system operation and extends battery life.

The GAL22V10D-25QPN implements a sophisticated internal clocking system and includes an on-chip programmable clock divider. It supports both dynamic and static modes, allowing users to specify dynamic timing for quick response and static timing for precision. It also provides various on-chip diagnostic functions such as system error detection and self-test capabilities.

In addition, the GAL22V10D-25QPN comes with two external pins, one input and one output, to provide more flexibility in system integration. These pins can be used to connect multiple chips, allowing the user to easily combine different functions into a single device. This feature extends the programmable capabilities of the GAL22V10D-25QPN, making it a versatile device for embedded applications.

In short, GAL22V10D-25QPN is a powerful and versatile CPLD device suitable for a wide range of embedded applications. It provides a complete on-chip solution that offers dynamic and static clocking, an on-chip programmable clock divider, multiple external pins, and various on-chip diagnostic functions. Moreover, its low power consumption, high performance and high density help system designers to overcome the challenges associated with the complex embedded application.