SY89112U - Low Skew 1:12 LVPECL Fanout Buffer

Micrel Semiconductor

General Description

The SY89112U is a low-jitter, low-skew, high-speed LVPECL 1:12 differential fanout buffer optimized for precision telecom and enterprise server distribution applications.

The input includes a 2:1 MUX for clock switchover application.

Key Features

Selects between 1 of 2 inputs, and provides 12 precision, low skew LVPECL output copies.
Guaranteed AC performance over temperature and voltage:  DC to >2GHz throughput .

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SY89112U low skew 1:12 lvpecl fanout buffer by Micrel Semiconductor - Datasheet Preview

Datasheet Details

Part number	SY89112U
Manufacturer	Micrel Semiconductor
File Size	847.40 KB
Description	Low Skew 1:12 LVPECL Fanout Buffer
Datasheet	SY89112U Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SY89112U 2.5/3.3V Low-Jitter, Low-Skew 1:12 LVPECL Fanout Buffer with 2:1 Input MUX and Internal Termination General Description The SY89112U is a low-jitter, low-skew, high-speed LVPECL 1:12 differential fanout buffer optimized for precision telecom and enterprise server distribution applications. The input includes a 2:1 MUX for clock switchover application. Unlike other multiplexers, this input includes a unique isolation design to minimize channel-tochannel crosstalk. The SY89112U distributes clock frequencies from DC to >2GHz guaranteed over temperature and voltage. The SY89112U incorporates a synchronous output enable (EN) so that the outputs will only be enabled/disabled when they are already in the LOW state. This reduces the chance of generating “runt” clock pulses.