NCT5914W TR Integrated Circuits (ICs)

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NCT5914W is a high-performance Logic-Translator Level-Shifter from NXP. It provides the capabilities of converting between different voltage domains with single-ended and unidirectional transmission. The device is mainly used for bidirectional bus communication between low-voltage and high-voltage logic family. This make it ideal for chip-to-chip, board-to-board, SOC-to-ASIC, LCD-to-Host and backplane-to-daughterboard connections.

In operation, the NCT5914W converts a single-ended low-voltage input signal to an equivalent high-voltage level on its output. The desired voltage sitting of the output signal is selectable by the user. The device can also convert an input signal in the high-voltage level to an output signal in the low-voltage domain. In both cases, the translation is done with minimal propagation delay and maximum precision.

The NCT5914W is available in two packages; a 16-lead Quad Flatpack (QFP) footprint and a 20-lead Quad Flatpack (QFPR) footprint. Both packages offer the same performance and features, but the latter version offers two extra differential inputs for better signal integrity. The package comes with a built-in charge-pump voltage stabilizer and a 16-Capacitor differential bank for enhanced signal reliability. The device has an operating temperature range of -40°C to +85°C and is provided in a single-chip design.

NCT5914W applications include logic-level translation between low-voltage and high-voltage logic families, such as LVDS, PCIe, HSTL, PCI-X, and S-ATA. These include chip-to-chip, board-to-board, SOC-to-ASIC, LCD-to-host and backplane-to-daughterboard connections. The integrated charge pump and differential bank offer improved signal integrity, which is essential for reliable bus-oriented communication.

The working principle of the NCT5914W is straightforward. It takes in a single-ended input signal from the low-voltage logic domain, translates it to the desired voltage level, and then provides an output signal with the specified high-level voltage swing. The input and output configurations are both unidirectional, and the device is designed to operate without the need for pull-up or pull-down resistors. The device also has an open-drain output structure, enabling the connection of several devices in parallel. It has a static power consumption of 40 mW, making it suitable for use in power-sensitive applications.

Overall, the NCT5914W is an efficient and robust logic-translator Level-shifter from NXP. It is suitable for all kinds of low- and high-voltage logic families for chip-to-chip, board-to-board, SOC-to-ASIC and backplane-to-daughterboard applications. The device is provided in two packages, 16-lead QFP and 20-lead QFPR package, and it has a static power consumption of 40 mW. The built-in charge-pump voltage stabilizer and differential bank ensure reliable signal transmission. It is also capable of translating signals with minimal propagation delay and with maximum precision.

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