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Frequent questions

  • [FAQ] DS125DF1610: Crosspoint Configuration

    Part Number: DS125DF1610 Other Parts Discussed in Thread: DS110DF1610 Tool/software: DS125DF1610 and DS110DF1610 are 16-channel retimers which implement 4x4 crosspoint switches. There are 2 registers which need to be configured to use the crosspoint…

  • [FAQ] DS320PR810: How should Gen 5 redriver power supply decoupling capacitors be arranged?

    Part Number: DS320PR810 Other Parts Discussed in Thread: DS320PR1601 , DS320PR410 , SN75LVPE5412 , SN75LVPE5421 Tool/software: (Also applicable to DS320PR410, DS320PR1601, SN75LVPE5412, and SN75LVPE5421). The datasheets for TI DS320PRxx and SN75LVPE5xx…

  • [FAQ] DS250DF230: CTLE Boost Table

    Part Number: DS250DF230 Other Parts Discussed in Thread: DS250DF210 , DS250DF410 , DS250DF810 , , DS280DF810 Tool/software: Across all 25-28G retimers (DS250DF210, DS250DF230, DS250DF410, DS250DF810, DS280DF810) there are 255 total CTLE boost settings…

  • [FAQ] DS320PR1601: Do TI PCIe redrivers support bifurcation?

    Part Number: DS320PR1601 Tool/software: Do TI PCIe redrivers support bifurcation?

  • [FAQ] TUSB1002A: [FAQ] Purpose of the 330nF capacitors for the USB connector to the SuperSpeed RX and is it required?

    Part Number: TUSB1002A Tool/software: What is the purpose of the 330nF capacitors on the SuperSpeed RX and is it required?

  • [FAQ] Can I use different voltages with Texas Instrument I2C TCA Switches/Multiplexers? (What is Voltage level Translation?)

    Part Number: TCA9548A Tool/software: The TCA family of Texas Instruments I2C switches all support voltage translation. It's important to use the correct Vcc for the I2C switch to separate the voltages when channels are enabled. The only requirement…

  • [FAQ] DS320PR1601: Do TI PCIe redrivers require a PCIe Reference Clock for operation?

    Part Number: DS320PR1601 Tool/software: Do TI PCIe redrivers require a PCIe Reference Clock (REFCLK) for operation?

  • [FAQ] LMH1219: Internal Voltage Thresholds for 4-Level Input Configuration Pins

    Part Number: LMH1219 Tool/software: Hi All, It is common to wonder what is going on inside of ICs. Being an applications engineer at TI gives me the unique opportunity to report on this so that people can to understand our devices a little bit more…

  • [FAQ] SN75LVPE5421: SN75LVPE5412 RSVD Pins 2 and 12 Tied to GND or Cap to GND?

    Part Number: SN75LVPE5421 Other Parts Discussed in Thread: SN75LVPE5412 , DS160PR412 Tool/software: First version of the data sheet required Cap to GND on RSVD pins 2 & 12. Then later revision called for zero-ohm Resistor to GND. Whether we use 0…

  • [FAQ] DS80PCI102: How does PCIe Receiver Detection work?

    Part Number: DS80PCI102 Tool/software: The receiver detection is part of the transmitter and it must correctly detect if there is a DC load impedance - 40 to 60-ohm or lower - is attached at the output of the transmitter. A transmitter - while at…

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