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DS90UH926QSQE Datasheet, PDF (50/56 Pages) Texas Instruments – DS90UH926Q 720p 24-bit Color FPD-Link III Deserializer with HDCP | |||
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DS90UH926Q
SNLS337J â OCTOBER 2010 â REVISED APRIL 2013
www.ti.com
CML INTERCONNECT GUIDELINES
See AN-1108 (SNLA008) and AN-905 (SNLA035) for full details.
⢠Use 100Ω coupled differential pairs
⢠Use the S/2S/3S rule in spacings
â S = space between the pair
â 2S = space between pairs
â 3S = space to LVCMOS signal
⢠Minimize the number of Vias
⢠Use differential connectors when operating above 500 Mbps line speed
⢠Maintain balance of the traces
⢠Minimize skew within the pair
Additional general guidance can be found in the LVDS Ownerâs Manual - available in PDF format from the TI
web site at: www.ti.com/lvds
Revision
⢠March 7, 2012
â Deleted âDC Electrical Characteristicsâ PDB VDDIO = 1.71 to 1.89V
â Added under âSUPPLY CURRENT IDDZ, DDIOZ, IDDIOZMax = 10mA
â Added under âCML MONITOR DRIVER OUTPUT AC SPECIFICATIONSâ EW Min = 0.3 UI AND EH Min =
200 mV
â Added âINTERRUPT PIN â FUNCTIONAL DESCRIPTION AND USAGE (INTB)â under Functional
Description section
â Updated "POWER DOWN (PDB) description under Functional Description from VDDIO to VDDIO = 3.0 to
3.6V or VDD33
â Updated âFigure 23. Typical Connection Diagramâ
⢠Aug 6, 2012
â Corrected Table 4: Configuration Select (MODE_SEL) #6 I2S Channel B (18âbit Mode) from L to H
â Corrected typo in table âDC and AC Serial Control Bus Characteristicsâ from VDDIO to VDD33
â Added Recommended FRC settings table
â Added âWhen backward compatible mode = ON, set LFMODE = 0â under Functional Description.
Reformatted Table 4 and added clarification to notes. Added clarification to notes on Table 9 Serial
Control Bus Registers, address 0x02[3:0] (backwards compatible and LFMODE registers).
â Added âNote: Do not enable SSCG feature if PCLK source into the SER has an SSC clock already.â under
Functional Description, EMI REDUCTION FEATURES, Spread Spectrum Clock Generation (SSCG)
50
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