DS90C187LFX/NOPB

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The DS90C187LFX/NOPB is an Industry Standard for Serializers and Deserializers (SERDES), specifically designed to interface high-speed data streams to lower-speed digital systems. In essence, it takes a high-speed signal from one system and sends it to a slower one over copper, fiber or other physical layer. With its high-speed, low power consumption and small footprint capabilities, it has many applications in a wide variety of applications requiring high-speed digital connectivity.

The DS90C187LFX/NOPB is a four-port SERDES designed to provide both a single channel LVDS interface for the four-bit data transmission, as well as a dual channel LVDS interface for two-bit data transmission. It supports both data rates of 3.3V and 5V, with data rates up to 400 Mbps. In addition, the device offers several features such as a crossed-over LVDS output for enhanced noise immunity, as well as integrated system clock and phase-lock loop (PLL) for easy integration into existing system designs.

The main features of the DS90C187LFX/NOPB that make it a great choice for serializers and deserializers include high-speed, low jitter performance, various LVDS options, integrated clock module, low power consumption and small footprint.

The key application fields of the device include high-speed digital communications, multi-rate communication networks, industrial control and automation applications, as well as high-speed data processing and transfer. Due to its many features, it is often used as a bridge between high-speed devices and low-speed systems, allowing data to be transferred efficiently through a physical layer such as copper or fiber.

The working principle of the device can be described as follows. The serializing device takes a four-bit data input from one system and serially encodes it for one-bit transmission over a single lane, or for two-bit transmission over dual lanes using the LVDS format. The clock data rate is chosen depending on the application\'s performance requirements. The transmitter also contains an MMCX port for an external clock signal, as well as a PLL lock enable (PLE) input to enable the clock/data recovery circuitry. The output of the serializer is a single-ended signal with a differential component added to it, which produces theLVDS output.

The deserializing device accepts a single-ended LVDS signal containing four-bit data and transforms it back into four-bit parallel data. The input LVDS signal is first separated into its differential and single-ended components via a differential amplifier. The single-ended portion is sent to a differential amplifier to convert it back to the original four-bit serialized data. The differential component is then re-combined with the single-ended component to form the LVDS output.

The DS90C187LFX/NOPB is a versatile, reliable and low-cost choice for a variety of applications requiring high-speed digital connectivity. With features such as high-speed performance, integrated clock module, multiple LVDS options and small footprint, it can provide reliable data transmission and system integration.

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