5PB1206NDGK8

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Clock/Timing - Clock Buffers, Drivers are components used to manage the clock signal flow and distribution in a high-speed digital system. Specifically, the 5PB1206NDGK8 is a differential line driver, which acts as a repeater for differentially propagating high-speed data. The device is versatile and is suitable for a range of applications, including free-running clocks, low-skew multi-phase CPUs, memory controllers, PCI Express, DDR interfaces, and high-performance clocking. It is also ideal for distributing the reference clock in systems with high speed and long trace lengths.

The 5PB1206NDGK8 current-mode logic (CML) differential line driver operates from a 3.2 V supply and uses differential signaling to increase noise immunity, reduce emissions and allow for noise isolation and equalization. The device integrates two independent CML line drivers that feature fast rise and fall times to reduce much of the signal reflection in the transmission line, while also operating near the maximum output-voltage swing. The device is designed to drive an impedance matched trace of up to 80 Ω differential. It also features impedance matching pins to eliminate the need for external compensation circuitry and to optimize transmission performance.

The integrated slew-rate control allows the user to adjust the rise/fall times to match the trace characteristics, preventing the ringing or overshoot caused by the signal reflection. The slew-rate control is implemented with the SR0 pin, which is driven high to accelerate the rise/fall times and driven low to reduce them. The 5PB1206NDGK8 also includes adaptive equalization with internal equalizer dynamically controlling the output loading and thus compensating for the signal loss when running over long traces.

The 5PB1206NDGK8 supports window-LVCMOS 3.3V LVDS signaling. Taking advantage of the LVDS protocol, it can swing below the supply rail, providing higher noise immunity. The device supports a wide range of outputs speeds without external components, from 4 Mbps up to 160 Mbps, reducing system cost and component count.

In high-performance clock and data applications, it is important that the device offers superior jitter performance. The 5PB1206NDGK8 operates with a maximum jitter of 20ps peak-to-peak, while the integrated termination resistor is capable of reducing the peak-to-peak jitter up to 7ps. It is also worth noting that the minimal additive jitter of the device is very low, at only 5ps at 160 Mbps.

The 5PB1206NDGK8 is designed to be used in a wide variety of different applications. As mentioned, it can be used for free-running clocks, low-skew multi-phase CPUs, memory controllers, PCI Express, DDR interfaces, and high-performance clocking. Additionally, this device is ideal for applications requiring equalization and wide data rates, such as 10/100/1000Base-T Ethernet networks and Gigabit Ethernet. It is also suitable for CATV modems, Stream Processors, and high-speed SerDes applications.

In conclusion, the 5PB1206NDGK8 is a useful and versatile component for clock signal flow and distribution applications. It offers reliable operation, superior jitter performance, integrated equalization and termination, and supports an impressive range of data rates. The device is ideal for a wide range of applications, including free-running clocks, low-skew multi-phase CPUs, memory controllers, PCI Express, DDR interfaces, and high-performance clocking.

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