MC100H646FNR2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Fanout Buffer (Distribution)
Number of Circuits:	1
Ratio - Input:Output:	2:8
Differential - Input:Output:	Yes/No
Input:	PECL, TTL
Output:	TTL
Frequency - Max:	80MHz
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	0°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	28-LCC (J-Lead)
Supplier Device Package:	28-PLCC (11.51x11.51)
Base Part Number:	MC100H646

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The MC100H646FNR2 is a low-skew, low-jitter clock buffer designed for managing clock signal distribution in high performance communications and computing applications. With one differential clock input and four differential outputs, it is capable of providing a wide range of data transfer rates and speeds within a wide range of conditions.Clock buffering is attractive for systems that require reliable and manageable clock signal distribution between multiple devices or networks. It can also be used for distributing a single clock signal to multiple systems, providing an easily manageable clock signal to several remote places.The MC100H646FNR2 has an integrated thermal spreader, allowing the device to remain cooler and reduce thermal cycling problems. The thermal spreader is made of a copper alloy, so that even in high-heat conditions, the device remains operational without significant loss in performance.The circuit design of the MC100H646FNR2 is based on an inductor-capacitor (LC) oscillator. This design utilizes both an inductor and a capacitor connected together in a closed feedback loop. The output of the LC oscillator is a square wave that is then filtered to produce the desired output. The advantage of the LC oscillator is its low supply current requirement.The MC100H646FNR2 utilizes a differential pair of analog multiplexers controlled by a digital sequencer. With this configuation, the device can be configured to clock any number of input/output pairs and provides up to four outputs from a single clock source.The clock buffer also features an adjustable output skew. This feature allows for output clock edges to be adjusted to align with each device’s input clock edges. This is especially useful for memory or computer networks, where clock edges must be synchronized for proper data transmission.The MC100H646FNR2 is designed to be highly rugged, providing a high level of data integrity and reilability. The output stage transistors are 6V tolerant and can provide up to 3.3V of output signals if required. It also has very low power consumption, making it suitable for mobile and power sensitive applications.In summary, the MC100H646FNR2 provides excellent timing performance and data integrity for applications needing accurate clock signal distribution. With low skew and jitter, adjustable output skew and high data integrity, it is well suited for high performance systems.

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