Broadcom Helps Out With a Key 100G Part
ANAHEIM, Calif. -- OFC/NFOEC -- Broadcom Corp. contributed some key circuitry to the new coherent DSP from NTT Electronics Corp. (NEL), the companies announced here Wednesday. The DSP is a key component for 100Gbit/s coherent interfaces, and NEL is so far the only merchant source for it. So, Broadcom has tacked its name onto what, for now, is a high-profile device in telecom. The original NEL DSP was created with the help of what's flippantly called Japan Inc. -- meaning, a few Japanese companies contributed to the work, with some funding from the Japanese government. The second generation still uses a DSP core from NEL, adding pieces from Broadcom -- namely, an analog-to-digital converter and a digital-to-analog converter. Broadcom developed them with help from NEL and other Japan Inc. members, says Lorenzo Longo, vice president of Broadcom's high-speed interconnect group. The result is a chip that uses 50 percent of the power of the original, Longo says. The power reduction came partly from the usual refinement that comes with a second-generation device, but it's also due to an advanced manufacturing process that Broadcom used for its pieces. Broadcom isn't disclosing what that process was -- which is weird. Normally, a chip company is thrilled to say the chip is built on geometries 40nm or 28nm or whatever.
Lorenzo Longo poses with Broadcom's latest and greatest. Not the NEL part,
but these other things are very nice, too, we're sure.
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