74ALVC162835ADGG:1

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The 74ALVC162835ADGG is a highly integrated, quad-channel low voltage differential line driver manufactured by NXP Semiconductor. This device is part of NXP\'s wider line of interface logic solutions, offering a wide range of logic functions for its specific applications. This Universal Bus Function is intended for use in applications where low voltage differential signaling (LVDS) is preferred for its high transmission speeds and reduced electrical noise. This article presents an overview of the 74ALVC162835ADGG and its main application field and working principle.

The most important feature of the 74ALVC162835ADGG is its low voltage differential signaling capability. This LVDS interface is designed to transmit clock signals and other high speed data streams in a serialized manner over long cables and in environments with high levels of electrical noise. The device offers a data rate of up to 0.6 Gbps, with a choice of four differential line driver pairs that can either be enabled or disabled for customized operation. Each driver pair is enabled via the DIRx pins, with the user able to select from two pairs at any given time.

The 74ALVC162835ADGG also features an I2C interface, allowing it to be externally controlled. Through this external control, users are able to change the data rate, as well as other parameters such as the LVDS output level. Additionally, the device supports a variety of power saving sleep modes, including a low power shutdown mode, a low power active mode, and a high power active mode.

In terms of its application field, the 74ALVC162835ADGG is suitable for a wide range of data transmission applications. It is particularly suitable for bidirectional transmission in applications where data speeds are typically clocked at a rate higher than 1 Mbps, such as in backplane Ethernet, Fibre Channel, and InfiniBand protocols. The device also offers robust signal integrity, making it suitable for other high speed data transmission applications in noisy environments.

At the heart of this Universal Bus function is an 18-bit shift register. When enabled, the four LVDS driver pairs transmit data from the 18-bit register in parallel. On the output side, each driver pair is configured to comprise of two complementary signals that are sent out simultaneously. This ensures a balanced signal output, with the user able to adjust the signal level and the output voltage by controlling the duty cycle of the logic levels on the signal.

In terms of its working principle, the 74ALVC162835ADGG is quite straightforward. The user has the option to enable or disable the four different driver pairs, while all of them run in parallel to ensure signal integrity. Additionally, the onboard quad serial input/output receiver is able to detect any voltage changes along the lines, while external resistors ensure the correct signal impedance levels. All of the control and power pins are protected against ESD and EFT, and further protection is provided through the various pin protection schemes.

In conclusion, the 74ALVC162835ADGG is a highly integrated quad-channel low voltage differential line driver manufactured by NXP Semiconductor. This device is intended for applications such as bidirectional transmission in high speed data transmission applications, as it is capable of transmitting data at up to 0.6 Gbps. Additionally, its working principle is simple and straightforward, as it utilizes an 18-bit shift register connected to four different driver pairs which can be enabled or disabled. Overall, the 74ALVC162835ADGG is an excellent choice for applications requiring high speed and robust signal integrity.

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