8532AKI-31LF

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Clock/Timing - Clock Buffers, Drivers are used to distribute signals and separate clock and data channels. 8532AKI-31LF is one type of clock buffer that has a wide variety of uses. This article will discuss the application fields and working principle of 8532AKI-31LF.

Application Field of 8532AKI-31LF

8532AKI-31LF is often used in situations where clock signals need to be distributed and shape manipulation is desired. It provides a low jitter clock transition and is also used to level shift from a low voltage logic to a high voltage logic. This buffer can also be used in situations where two or more different logic levels need to be connected. Some of the specific applications this buffer is used in are USB3.0, SATA III, HDMI, 10G Ethernet and PCIe gen 2/3.

This buffer also can be used to reduce power dissipation in critical circuits. It does this by providing 3.3V level shifting for FPGA, DSP, and ASIC that typically use 1.8V, 2.5V or 3.3V logic levels. The buffer also features differential outputs which reduce EMI interference and support frequencies up to 800MHz.

Working Principle of 8532AKI-31LF

The 8532AKI-31LF is a high performance clock buffer which theoretically can level-shift any single-ended signal between higher-level and lower-level voltage rails. In practice, the clock buffer is not just a level shifter, but also an impedance transformation device with a certain buffers output impedance due to its internal buffer structure. The effect of the output impedance is that it reduces the output rise and fall times and the slew rate, thus lowering the maximum frequency with which the clock buffer can operate.

The 8532AKI-31LF has two separate data and clock channels, both of which feature differential outputs with advanced signal conditioning circuitry. The device also has advanced input filters to help reduce noise before it enters the output stage. The inputs on the device are designed to accept AC-coupled input signals, accepted from from low to mid levels such as the 1.8V, 2.5 V and 3.3V, and down to mid-levels such as AC-coupling. This makes the device extremely versatile for a wide range of applications.

The 8532AKI-31LF also features an adjustable output delay, allowing for each output to be precisely adjusted and synchronized. The device has a low-jitter flip-flop, making it suitable for clocking FPGAs, processors and other critical timing applications. Additionally, the device has integrated termination currents, allowing the device to maintain its high-performance even in high-frequency applications.

In conclusion, the 8532AKI-31LF is a high-performance clock buffer used in a variety of applications. It is a very versatile buffer, as it can level-shift any single-ended signal, dramatically reduce power consumption and provide extremely low jitter and impedance transformation. Additionally, the device has adjustable output delays and integrated termination currents, allowing it to operate even at high frequencies without sacrificing performance.

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