PI49FCT38052CHEX

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Overview of PI49FCT38052CHEX

PI49FCT38052CHEX is a ten-LVCMOS/LVTTL type clock buffer, which is mainly used to generate multiple copies of a single clock signal and distribute them to multiple clocked devices, thereby eliminating timing skews.

Typical Applications

PI49FCT38052CHEX is mainly used in a variety of clock signal distribution applications. Typically, it is most often used in clock-sensitive systems, such as multimedia and communications systems, or in embedded systems where high clock speed, low jitter, and low power are key requirements. This type of buffer also finds applications in clocking and synchronous systems, as well as distributed clock networks, such as automotive and industrial systems.

Features

PI49FCT38052CHEX has the following features:

• Outputs can be operated either in Spread Spectrum mode or non-Spread Spectrum mode
• Maximum operating frequency of 200MHz
• Low power consumption, as low as 5.5mA
• The output impedance is 50 ohms at 100MHz
• 5V tolerant I/O pins
• Low propagation and switching delay times
• Output and input slew rates of 1000V/us

Typical Working Principle

PI49FCT38052CHEX uses a multiplexer to select one of the three inputs, and an LVCMOS buffer to generate the output signals. The multiplexer can be controlled either by direct logic control or by independent clock buffers. These buffers are responsible for driving the multiplexer control pins. By using this approach, the user can easily select between different clock sources using control logic.

The PI49FCT38052CHEX also has disable inputs, which can be used to ensure that the output clock is stopped when needed. This type of feature can be used to synchronize multiple clock trees, or to reduce power consumption when the output clock is not used. Additionally, when the device is enabled, its outputs will stay in the last state they were in before they were disabled.

In addition, this type of buffer has the ability to switch between multiple clock sources in a very short time. This is achieved through the fast propagation delay which is typically in the order of 2.5ns. This enables reliable and quick switching between multiple clock sources, which is especially important for distributed clock networks.

PI49FCT38052CHEX is ideal for applications which require low-power, low-speed, or low-jitter clock distribution. This type of multiplexer can be used for a variety of clock signal distribution applications. Thanks to its low-power consumption, high-speed output, and low propagation delay, it is a perfect solution for clock distribution in embedded systems requiring high clock speed, low jitter, and low power.

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