PCK9448BD,157

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The PCK9448BD,157 is a 4-channel CMOS differential output driver whose purpose is to drive low voltage differential signal (LVDS) lines. This chip can be used for multiple applications, such as in displays and data communications equipment. As a clock buffer/driver, it allows for an increase in signal quality in environments with noisy or short wires, or in systems with long run lengths. It is designed to tolerate high EMI and comply with most of the signal integrity standard protocols such as PCI Express, DisplayPort and HDMI.

The PCK9448BD,157 is a versatile chip, providing a variety of features. When used as a clock buffer, the outputs are configurable for either differential or single ended use. Outputs are also selectable for either positive or negative logic. It features a power-down feature that ensures that the outputs are configured in a low-power state when the clock signal is not present. This makes it well-suited for mobile applications such as embedded systems. The chip also features analogue watch-dog circuitry which monitors the inputs and the output to ensure that the signal is within an acceptable range. This feature is especially useful in correcting any signal drift which can occur due to temperature changes. It provides error detection and correction features that can be used to detect missing clock pulses or frequency changes.

The PCK9448BD,157 is a low power, single-ended and differential clock buffer/driver designed to isolate and drive up to four low-voltage differential signal (LVDS) outputs from a high speed clock source. It is designed to tolerate noise and signal distortion, making it suitable for the transmission of long run lengths and in environments with high EMI (electromagnetic interference). The chip has selectable push-pull or open-drain outputs, which can be configured for either positive or negative logic; this enables the device to be used for different applications. Furthermore, it features on-chip watch-dog circuitry that monitors the inputs and outputs of the device, providing error detection and correction capabilities.

The PCK9448BD,157 operates between 1.8V to 3.3V and consumes up to 250mW of power. The clock frequencies can vary between 5MHz and 120MHz, depending on the supply voltage and the output load. The outputs can be individually enabled via the chip’s control register, allowing different clocks to be driven on different outputs. The active low enable and active high reset pins can be used to control the device’s power-down mode, providing an additional level of protection when the device is inactive. The device also has several protection features, such as thermal protection, over-current protection and ESD protection, ensuring reliable operation.

The PCK9448BD,157 is an advanced clock buffer/driver that is robust and feature-rich. It has a wide operating temperature range, making it suitable for use in various environments. The various configuration options available make it an attractive proposition for use in a range of applications, including embedded systems, communications, computing and data-storage applications. The built-in protection features ensure reliable operation, while the on-chip watch-dog circuitry ensures that the signal is within acceptable limits. The device can also be used to drive a variety of protocols, such as PCI Express, DisplayPort, and HDMI.

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