PCA9515D,118

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PCA9515D,118 is a widely used signal buffer, repeater and splitter for various interface applications. It is widely used for interfacing between 16-bit/8-bit buses, both single-ended and differential buses, and can also be used as an I2C mux. The PCA9515D,118 is designed to give a high degree of isolation between the input and output buses.

The PCA9515D,118 is based on a 3-state output topology, providing reduces ground current. This helps to limit the power consumption of the device and also provides improved performance on both fast and slow signal edges. In addition, the PCA9515D,118 features the ability to drive multiple loads of different levels with minimum loading of the signal source. This makes the device suitable for applications where multiple receivers must be driven.

The PCA9515D,118 signal buffer, repeater and splitter works using its input bus logic, in order to determine the signal level on its output bus. The logic on the input bus is ORed with the signal level on the input bus so that when either signal is high the output signal is also high. Similarly, when either signal is low, then the output signal is also low.

The PCA9515D,118 can also work as an I2C multiplexer, allowing multiple masters to access multiple slaves. This feature is useful for applications where a single slave with multiple masters must be connected to the same system. The PCA9515D,118 provides a mechanism to switch between the multiple I2C masters and slaves, which is done by specifying a "priority" signal that is used to determine which master is allowed to access the device at any time.

The PCA9515D,118 is an incredibly useful device for interfacing between 8-bit and 16-bit buses, both single-ended and differential buses, and as an I2C multiplexer. It provides a high degree of isolation between the input and output buses, and also has the ability to drive multiple loads of different levels with minimum loading of the signal source. The 3-state output topology provides reduced ground current, and a priority signal mechanism is provided for when the PCA9515D,118 is used as an I2C multiplexer. All of these features make the PCA9515D,118 an ideal solution for many interface applications.

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