The maximum cable length supported by the DS90C124IVSX/NOPB is approximately 10 meters (33 feet) at a data rate of 1.5 Gbps, and 5 meters (16 feet) at a data rate of 3 Gbps, assuming a good quality cable with minimal signal attenuation.
To ensure signal integrity and minimize EMI, follow proper PCB layout guidelines, use a solid ground plane, and keep the differential pairs as close together as possible. Also, use a common-mode filter or a shielded cable to reduce EMI.
The recommended power-up sequence is to power up the VCC supply first, followed by the VCCIO supply. This ensures that the internal voltage regulators are powered up correctly and prevents any potential latch-up conditions.
No, the DS90C124IVSX/NOPB is not designed to support data rates higher than 3 Gbps. For higher data rates, consider using a different serializer/deserializer chip from Texas Instruments, such as the DS90C387 or DS90C389.
Use a logic analyzer or an oscilloscope to capture and analyze the signals on the transmitter and receiver sides. Check for signal integrity issues, such as jitter, skew, and amplitude errors. Also, verify that the clock signals are properly synchronized and that the data transmission protocol is correctly implemented.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
