Semtech Introduces Tri-Edge™ 50G PAM4 CDR Transmitters for Long Reach Data Center Applications
Semtech Corporation (NASDAQ: SMTC) has announced the launch of new integrated circuits, GN2555 and GN2556, designed for long reach optical links in data centers.
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Integration of CDRs with laser drivers enables lower power, reduced latency and lower cost for 50G per channel optical links up to 10km

Integration of CDRs with laser drivers enables lower power, reduced latency and lower cost for 50G per channel optical links up to 10km (Graphic: Business Wire)
“The GN2555 and GN2556 ICs are based on Semtech’s Tri-Edge PAM4 CDR technology that is a robust and proven solution for data center optical transceivers. Integration of the CDRs and drivers offers lower power consumption as well as reduced size and lower costs for our optical module customers,” said
The Tri-Edge GN2555 and GN2556 are now available for sampling and can be paired with the Tri-Edge GN2559S receiver for a complete 200G FR4/LR4 solution. Semtech offers complete reference design kits (RDK) for the solutions to enable rapid adoption.
Semtech’s Tri-Edge CDR portfolio for data centers includes:
- GN2558: PAM4 4x56G CDR + VCSEL Driver
- GN2559: PAM4 4x56G CDR + TIA
- GN2538: PAM4 2x56G CDR + VCSEL Driver
- GN2539: PAM4 2x56G CDR + TIA
- GN2559S: New Low Power Quad PAM4 CDR Receiver With Integrated TIA
About Semtech’s Signal Integrity/Optical Products
Semtech’s optical networking product platforms provide high-performance signal integrity for optical module solutions used by leading companies in the data center/enterprise networking, wireless infrastructure and passive optical network/Fiber to the X markets. For more information, visit www.semtech.com/optical.
About Semtech
Forward-Looking and Cautionary Statements
All statements contained herein that are not statements of historical fact, including statements that use the words “designed to,” or other similar words or expressions, that describe Semtech Corporation’s or its management’s future plans, objectives or goals are “forward-looking statements” and are made pursuant to the Safe-Harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Such forward-looking statements involve known and unknown risks, uncertainties and other factors that could cause the actual results of
Semtech and the Semtech logo are registered trademarks or service marks, and Tri-Edge is a trademark or service mark, of
SMTC-P
View source version on businesswire.com: https://www.businesswire.com/news/home/20220308005230/en/
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ldinh@semtech.com
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