DS90UB903QSQX/NOPB National Semiconductor, DS90UB903QSQX/NOPB Datasheet - Page 34

• Manufacturer Part Number: DS90UB903QSQX/NOPB
• Description: IC SER/DESER 10-43MHZ 18B 40LLP
• Manufacturer: National Semiconductor

Specifications of DS90UB903QSQX/NOPB

• Function: Serializer
• Data Rate: 900Mbps
• Input Type: LVCMOS
• Output Type: CML
• Number Of Inputs: 1
• Number Of Outputs: 1
• Voltage - Supply: 1.71 V ~ 1.89 V, 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 40-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Applications Information
AC COUPLING
The SER/DES supports only AC-coupled interconnects
through an integrated DC balanced decoding scheme. Exter-
For high-speed FPD-Link III transmissions, the smallest avail-
able package should be used for the AC coupling capacitor.
This will help minimize degradation of signal quality due to
package parasitics. The I/O’s require a 100 nF AC coupling
capacitors to the line.
FIGURE 35. DS90UB903Q Typical Connection Diagram — Pin Control
FIGURE 34. AC-Coupled Connection
34
nal AC coupling capacitors must be placed in series in the
FPD-Link III signal path as illustrated in
TYPICAL APPLICATION CONNECTION
Figure 35
Serializer.
shows a typical connection of the DS90UB903Q
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Figure
34.
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