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Altera_Forum
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8 years ago

1.5V PCML to CML interface

Hello, I need to interface the TX serdes output (ALTGX) of a cyclone IV GX device to the input of a NB7L111M device https://www.onsemi.com/pub/collateral/nb7l111m-d.pdf My problem is that serdes o...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

The short answer is yes. That is how you need to connect it up.

Refer to Altera's "the evolution of high-speed transceiver technology (https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/wp/wp_hs_transceiver.pdf)" white paper. The P in PCML is for Pseudo. Altera haven't implemented the CML driver exactly as per the CML specification. Hence the new interface acronym. However, they're designed to interoperate.

Cheers,

Alex