The JESD204 serial interface standard was developed by JEDEC to support the increasing bandwidth needs of next-generation high-speed analog-to-digital (ADC) and digital-to-analog (DAC) data converters. 



JESD204B is a widely used digital interface for high-speed ADCs and DACs



As the sample resolution and speed of data converters keeps increasing, the interface protocol has to deal with the negative system impacts such as increased size, cost, power consumption, and layout complexity. The solution introduced by the JESD204 is Current Mode Logic (CML), which supports line bit rates similar to LVDS but with fewer pins and lower power consumption. The latest revision of the standard, JESD204B, provides a maximum line bit rate of 12.5 Gbps per lane, with support for harmonic frame clocking, alignment of multiple converter devices, and deterministic latency. 

JESD204B is becoming the dominant standard in high-speed ADC and DAC applications, including wireless transceiver architectures (e.g., GSM, WCDMA, LTE), software-defined radios (SDR), portable instrumentation, medical ultrasound equipment, plus aviation and military applications such as radar systems.

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