NB4N121KMNG

Series:	--
Packaging:	Tray
Part Status:	Active
Type:	Fanout Buffer (Distribution)
Number of Circuits:	1
Ratio - Input:Output:	1:21
Differential - Input:Output:	Yes/Yes
Input:	CML, LVCMOS, LVDS, LVPECL, LVTTL
Output:	HCSL
Frequency - Max:	400MHz
Voltage - Supply:	3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	52-VFQFN Exposed Pad
Supplier Device Package:	52-QFN (8x8)
Base Part Number:	NB4N121K

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NB4N121KMNG Clock/Timing - Clock Buffers, Drivers

NB4N121KMNG is a high-performance clock buffer and driver designed to reduce signal integrity degradation due to signal loss by providing buffered clock signals to downstream circuits. This device is used for a wide range of applications, including clock generation, signal regeneration, and fanout for clock systems and data buses.

NB4N121KMNG Application Field

NB4N121KMNG is ideally suited for applications requiring high signal integrity, such as data communications and backplanes, clock networks, clock management systems, broadband communications, and audio/video systems. The device can be used for peripheral components, such as line cards, motherboards, system modules, and chipsets. Additionally, it is suitable for any clocking system in which signal integrity is a major concern. Additionally, its low skew and jitter characteristics make it ideal for gaming and ATM applications.

Working Principle

This device is powered by a 1.8V supply and features a variety of input and output configuration options available. The core of the device functions by selecting an input signal, pulverizing it, and then buffering it. The logic level of each input and output can be configured separately, depending on the application requirements. The input selection routing between the high- and low-level clock signals enables the signals to be sent simultaneously to the low-level buffer. The low-level buffer then regenerates the signal, improving signal integrity and ensuring that any data sent over the same lines remains intact. The device also offers programmable skew between both the low- and high-level inputs, enabling a more precisely calibrated timing system. The simultaneous output capability is also useful for applications such as software-controlled push-pull switching, which allows for higher data throughput rates. The device\'s timing characteristics, such as propagation delay, clock-to-output skew and jitter, are adjustable to meet a wide variety of requirements. Additionally, the device includes Ultra Low-Power (ULP) clock management options, which can be used to reduce power consumption and extend battery life in handheld and portable electronic devices. In addition, the device features an active-low power-down mode, which allows for flexible power management. The power-down mode can be easily activated by a logic signal, and the device will automatically go into a benign low-power state when the logic signal is deactivated. The NB4N121KMNG also offers programmable presets for both input and output delays and phase jitter. NB4N121KMNG is also highly reliable, with an interconnect lifetime of 1 million cycles and a maximum operating temperature of 125 degrees Celsius. The device is available in a 64-pin Serial-Leaded Quad Flat No Lead (QFN) package and is compatible with major CAE design tools.

Conclusion

NB4N121KMNG is an ideal choice for applications requiring high signal integrity, such as data communications and backplanes, clock networks, clock management systems, broadband communications, and audio/video systems. This device offers a variety of features, such as adjustable propagation delays, clock-to-output skew and jitter, a sleep-mode power down feature, and Ultra Low-Power clock management options. Additionally, the device is highly reliable and functional, making it suitable for a wide range of system requirements.

References

[1] NB4N121KMNG Datasheet: https://www.onsemi.com/pub/Collateral/NB4N121KMNG-DS-1667.pdf[2] NB4N121KMNG Clock Buffer & Driver for High Signal integrity Applications: https://www.onsemi.com/pub/Collateral/NB4N121KMNG-BR-1518.pdf

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