DS90LV049HMTX

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The DS90LV049HMTX is an integrated circuit meant for serializing video graphics and it is manufactured by National Semiconductor Inc. It is an improved version of the original DS90LV04A, offering higher performance, greater pin count compatibility and lower power requirements. This integrated circuit belongs to the category of interface drivers, receivers, and transceivers, aimed at simplifying digital video interconnections. It is designed to bridge the gap between different video formats and interfaces by serializing four 8-bit data streams, allowing all four streams to be transmitted across a single, low voltage differential signaling (LVDS) link. Of the four LVDS pairs, one is used as the clock data line. The four data streams to be serialized could be from video graphics arrays, flat panel displays, video decoders, receivers, and multi-media processors.

The DS90LV049HMTX device is a monolithic integrated circuit, built on the Texas Instruments JEDEC-standard 0.65-micron complementary CMOS fabrication processes. It includes an LVDS transmitter, LVDS receiver and a 7.5 MHz crystal oscillator that requires no external components for frequency tuning. These features ensure the integrated circuit’s efficiency within its working environment. This device has a power consumption range of 250mW, much lower than its predecessors. It operates over a wide temperature range of -40°C to +105°C.

The DS90LV049HMTX by National Semiconductor Inc. has application in a variety of fields. As mentioned before, it facilitates the transmission of various types of video data streams arriving from different components, making it popular in high-end computing applications. This device is also utilized in digital TVs, media players, and other digital audio-visual devices. The advanced power management and low power consumption capabilities of this integrated circuit make it a popular choice for automotive applications as well.

The working principle of the DS90LV049HMTX is based on the transmission of four 8-bit data streams over a single LVDS link. The integrated circuit uses four separate LVDS transmitters and one LVDS receiver to achieve the required data transmission speed and accuracy. In order to achieve a successful data transmission, the clock data line (one of the four LVDS pairs) must maintain a consistent frequency and the data lines should properly transition. In order to maintain the transmission at the desired speed, the 7.5 MHz oscillator on the device must be in perfect synchronization with the other side of the LVDS link.

In conclusion, the DS90LV049HMTX integrated circuit by National Semiconductor Inc. is a valuable and versatile device for transmitting and receiving different types of video data streams. It allows for efficient and convenient data transmission over a single LVDS link. Its low power consumption, advanced power management features and wide temperature range make it a popular choice in different types of applications. Its wide application field and working principles make it a reliable and sought-after device in the interface drivers, receivers, and transceivers category.

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