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A device that can fan out one clock signal into numerous clock signals with zero delay and very little skew between the outputs is known as a zero delay buffer.
Numerous clock distribution applications needing precise input-output and output-output skews are well suited for this device. With a PLL that utilizes a reference input and a feedback input, a zero delay buffer is created.
One of the outputs drives the feedback input. The VCO’s output frequency is changed by the phase detector to ensure that there is no phase or frequency discrepancy between the two inputs. By synchronizing the phases of the input and output clocks, the PLL control loop has zero latency.
The devices powered by the zero delay buffer are connected to the ground plane by a via adjacent to their GND pins, and the zero delay buffer itself is connected to the ground plane as well. All I/O traces should be kept as brief as feasible. Actually, these are transmission
The Global Zero-Delay Buffers market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
There are many different features and settings available for the Renesas zero-delay buffer (ZDB) IC family. Single-ended LVCMOS outputs are supported for frequencies up to 350MHz while differential outputs including LVPECL, LVDS, HCSL, CML, HSTL, and SSTL are provided for output frequencies up to 3.2GHz.
Devices that enable supply voltages from 1.2V to 3.3V and are offered in commercial and industrial temperature ranges are also part of Renesas’ PLL line.
A Renesas PLL product provides a lot of advantages. Because quartz crystals are so sensitive to shock and vibration, fewer crystals are used on a board to increase reliability.
By substituting a single clock signal generator for several crystals and oscillators, a client can also lower the cost and size of their boards, their bill of materials (BOM), and their inventory levels. They are perfect for usage in a wide range of systems, including high-performance networking and communications systems, consumer electronics, industrial systems, and personal computers.