889872AKLF

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Fanout Buffer (Distribution), Divider
Number of Circuits:	1
Ratio - Input:Output:	1:3
Differential - Input:Output:	Yes/Yes
Input:	CML, LVDS, LVPECL
Output:	LVDS
Frequency - Max:	2GHz
Voltage - Supply:	2.375 V ~ 2.625 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-VFQFN Exposed Pad
Supplier Device Package:	16-VFQFN (3x3)
Base Part Number:	ICS889872

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The 889872AKLF is an engineered clock buffer/driver device from IDT (Integrated Device Technology, Inc.). It is used to transmit low-jitter clock signals from a transmitting IC/ASIC to a receiving IC/ASIC. This device also provides better control over clock skew, allowing for much higher data rates.The 889872AKLF is designed to drive differential signals up to 10Gbps. It supports 2.9V to 3.3V supply voltage, and features a low profile of 0.8mm. This device can route the main clock signal, along with the complementary signal, across long and thin traces of a printed circuit board (PCB).The 889872AKLF is a good solution for system clock buffering, frequency division and clock boost. With its low jitter performance and balance line termination, this device provides low skew and jitter across multiple trace paths. It is also optimized for usage in XDR (Extreme Data Rate) systems and other large scale ASIC applications. This clock buffer/driver device reduces system complexity by providing fewer components for a clock chain.The 889872AKLF has two clock input ports labeled as Clock In 1 and Clock In 2. These two ports use high speed, differential inputs for receiving input clock signals. The Clock Out 1 and Clock Out 2 are the two output ports for differential clock output signals. Both Clock In 1 and Clock In 2 are provided with Input Latency and Output Latency registers. These registers will control the clock input and output timing respectively.The 889872AKLF device also features an internal Crystal Oscillator, which provides a low jitter, high speed clock signal. This low jitter clock signal can be used as a reference clock source to the device’s input ports. The device also features a Frequency Synthesizer, which is used to reduce jitter across multiple trace paths.In addition to providing low jitter clock signals, the 889872AKLF also offers excellent port-to-port repeater functionality. This feature allows the device to repeat the same clock signals across multiple traces, reducing system latency. The device also has Dynamic Clock Skew Compensation feature, which helps reduce clock skew and jitter caused by reflections on the PCB traces.Overall, the 889872AKLF device from IDT is a versatile clock buffer/driver solution for a wide range of timing applications. With its low jitter performance, accurate timing control, dynamic clock skew compensation and repeater functionality, this device is an ideal choice for XDR systems, ASICs and other large-scale system applications.

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