PI2EQX4402DNBE

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PI2EQX4402DNBE is an integrated quad differential-line equalizer and SSTL-2/3 compatible driver with programmable output swing. It provides a fast, convenient solution for common DDR3/LPDDR3/DDR4/LPDDR4 signaling applications. This article will discuss the application field and the working principle of PI2EQX4402DNBE.

Application Field

PI2EQX4402DNBE is designed for low-voltage, high-speed applications including DDR4/LPDDR4, DDR3/LPDDR3, mobile SDRAM, and other high-speed memory applications. It is a low-power device with adjustable equalization to meet the no-trade-off memory standards. It includes two integrated high-performance equalizers and two programmable-swing differential drivers, which are controlled by two separate programmable registers. It helps to reduce board cost and space, improve signal integrity and reduce system power.

The differential amplifier of the PI2EQX4402DNBE has programmable output swing and integrated terminated sources. This allows the device to be driven with low-voltage swings. It can be used to buffer and equalize memory data, address and command bus signals. In addition to this, the device is also useful in current-mode logic (CML) design. The programmable filter function allows PI2EQX4402DNBE to be used for a variety of applications.

Working Principle

PI2EQX4402DNBE consists of a transistor-transistor-logic (TTL) type differential-line equalizer and a low-current-density rated SSTL-2/3 compatible driver. The differential-line equalizer consists of a differential input stage, followed by a differential filter stage, and a differential output buffer. This allows the device to accurately equalize data signals over long distances with minimal skew.

The low-power SSTL-2/3 compatible driver stage helps to reduce power consumption and increase system reliability. The driver stage uses programmable swing control to adjust output voltage swing. This feature helps to offset any impedances in the data path, enabling the device to maintain signal integrity over long distances with minimal jitter.

The PI2EQX4402DNBE also includes a separate set of programmable registers. These registers allow the user to adjust the output swing as required to maximize performance. The device is also helpful in ensuring compatibility with different types of memory devices.

In summary, PI2EQX4402DNBE is an integrated device with low-power operation. It offers low-voltage, high-speed applications, including DDR4/LPDDR4, DDR3/LPDDR3, mobile SDRAM, and other high-speed memory applications. The differential-line equalizer and SSTL-2/3 compatible driver work together to ensure signal integrity and reduce power consumption. Finally, the separate programmable registers allow for flexible tuning of output swing as required.

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