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FRoth's avatar
FRoth
Icon for New Contributor rankNew Contributor
7 years ago

Difference between CML and High Speed Differential IO transceiver I/O standard

We are using A10 transceiver blocks and we use CML and High Speed Differential I/O pin standards interchangeably, since these two standards seem to us to basically describe the same thing. Could you ...
CheepinC_altera's avatar
CheepinC_altera
Icon for Regular Contributor rankRegular Contributor
7 years ago

Hi FRoth,

Yes your understanding is correct. In term of the A10 XCVR, when you use CML and High Speed Differential I/O, the TX and RX specs are actually the same. The only difference is that the A10 TX only support High Speed Differential I/O standard but RX can support High Speed Differential I/O, CML , Differential LVPECL , and LVDS standards.

Please let me know if there is any concern. Thank you.

Best regards,

Chee Pin