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Manufacturer Part #


SY56011R Series 4.5 GHz Low Voltage CML 1:2 Fanout Buffer - MLF-16

Mfr. Name: Microchip
Standard Pkg:
Product Variant Information section
Date Code: 1708
Product Specification Section
Technical Attributes
Attributes Table
Temperature Range: -40°C to +85°C
Supply Voltage-Nom: 2.375V to 2.625V
Frequency-Max: 4.5GHz
Package Style:  MLF-16
Mounting Method: Surface Mount
Features & Applications

A fan out buffer is an electronic device that takes a single input signal and drives a number of outputs so that the same signal can be evenly distributed to multiple next stage circuitries

The SY56011R is a fully differential, low voltage 1.2V/1.8V/2.5V CML 1:2 Fanout Buffer with input equalization. The SY56011R can process clock signals as fast as 4.5 GHz or data patterns up to 6.4Gbps.

The differential input includes Micrel’s unique, 3-pin input termination architecture that interfaces to CML differential signals, without any level-shifting or termination resistor networks in the signal path. The differential input can also accept AC-coupled LVPECL and LVDS signals. Input voltages as small as 200mV (400mV pp) are applied before the 9”, 18” or 27” FR4 transmission line. For AC-coupled input interface applications, an internal voltage reference is provided to bias the V T pin. The outputs are CML, with extremely fast rise/fall times guaranteed to be less than 80ps.

The SY56011R operates from a 2.5V ±5% core supply and a 1.2V, 1.8V or 2.5V ±5% output supply and is guaranteed over the full industrial temperature range (–40°C to +85°C).

The SY56011RMG  is available in 16-pin (3mm x 3mm) MLF ® package

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Factory Lead Time:
12 Weeks
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Product Variant Information section