PCA9517DR Integrated Circuits (ICs)

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PCA9517DR is a monolithic multiprotocol signal buffer IC, designed for data and control bus buffering. It has a low-voltage differential signaling (LVDS) interface and a number of multiplexing and adaptive functions. It supports up to 32-bit wide interfaces such as DDR3/4, QDRII/IV, and RLDRAM. It is manufactured by Texas Instruments, a US-based semiconductor manufacturer and comes in an 9-pin SOIC package.

PCA9517DR belongs to the category of Interface - Signal Buffers, Repeaters, Splitters. It functions as a signal buffer, repeater, splitter or distributor. The device enables multiple applications such as high-speed-data transfers, clock synchronization and bus arbitration. The device also allows communication between data sources, system clocks, buffered ports and motor/sensor controllers.

PCA9517DR features two independent banks of bidirectional (input/output) buffers. The buffers can be used for delay-line-independent output port line leveling, as well as signal boosts and reductions. Additionally, the buffers have an adaptive mode that adjusts signal output levels automatically based on signal input. The device also features an adjustable level shifting logic and voltage-controlled signal adjustment.

The signal routing in PCA9517DR is provided by an internal bus cross-bar system. This enables the data and control bus to route and split multiple, low-frequency signal paths. Furthermore, all the low-frequency signal paths are synchronized using the on-chip global clock. The device also features a robust I2C port for programmable features, configurable control event interrupts, and a differential direct output port.

PCA9517DR has two primary applications including television broadcast and automotive infotainment/communications systems. In television broadcast applications, the device is used for buffering and signal distribution. It offers signal highlighting, line level compensation and synchronization across multiple channels. The programmable I2C interface allows for the configuration of the device’s broadcast functions, such as signal origin and output port selection.

In automotive infotainment and communications systems, the device is used as an efficient signal buffer and repeater. It is used to shift voltage levels between various automotive communication ports and perform various signal boosting or attenuating functions. This device is also used to split or distribute signals between multiple external ports, such as USB, Ethernet, and I2C.

To summarize, PCA9517DR is a monolithic multiprotocol signal buffering IC from Texas Instruments, designed for data and control bus buffering. It supports up to 32-bit wide interfaces such as DDR3/4, QDRII/IV, and RLDRAM and features a robust I2C port for programmable features. PCA9517DR belongs to the category of Interface - Signal Buffers, Repeaters, Splitters and is used in television broadcast and automotive infotainment/communications systems for buffering, signal distribution and signal boosting/attenuating functions.

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