A Dynamic Reference Single-Ended ECL Input Interface Circuit for MCM-Based 80-Gbps ATM Switch

Ryusuke KAWANO  Naoaki YAMANAKA  Eiji OKI  Tomoaki KAWAMURA  

IEICE TRANSACTIONS on Electronics   Vol.E82-C   No.3   pp.519-525
Publication Date: 1999/03/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Ultra-High-Speed IC and LSI Technology)
Category: Silicon Devices
MCM,  ECL interface,  high-speed interconnection,  noise margin,  

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A high-speed dynamic reference single-ended ECL input-interface circuit has been fabricated for advanced ATM switching MCMs. To raise the limit on the number of I/O pins, this circuit operates with a reference signal directly generated from the input signal itself. The reference level is changed dynamically to achieve a larger noise margin for operation. Experimental results show that operation up to 3.4 Gbps with a large level margin can be attained. We deploy this circuit to the input interface LSIs of an 80-Gbps ATM switching MCM.