SY56020XRMG Micrel Inc, SY56020XRMG Datasheet - Page 9

• Manufacturer Part Number: SY56020XRMG
• Description: IC CLOCK FANOUT BUFFER 1:4 16MLF
• Manufacturer: Micrel Inc
• Series: Precision Edge®r
• Type: Fanout Buffer (Distribution)r

Specifications of SY56020XRMG

• Number Of Circuits: 1
• Ratio - Input:output: 1:4
• Differential - Input:output: Yes/Yes
• Input: CML, LVDS, LVPECL
• Output: CML
• Frequency - Max: 4.5GHz
• Voltage - Supply: 2.375 V ~ 2.625 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-MLF®, QFN
• Frequency-max: 4.5GHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-3698-5; SY56020XRMG

Micrel, Inc.
Functional Description
CML Output Termination with Vcco 1.2V
For VCCO of 1.2V, Figure 5a, terminate the output
with 50 Ohms to 1.2V, not 100 ohms differentially
across the outputs. If AC coupling is used, Figure 5d,
terminate into 50 ohms to 1.2V before the coupling
capacitor and then connect to a high value resistor to
a reference voltage.
VCCO at 1.2V needs to be terminated, do not leave
floating.
February 2010
Any unused output pair with
CML Output Termination with VCCO 1.8V, 2.5V
For VCCO of 1.8V or 2.5V, Figure 5a/b, terminate with
either 50 ohms to 1.8V or 100 ohms differentially across
the outputs. AC-or DC-coupling is fine. For best signal
integrity, terminate any unused output pairs.
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SY56020XR