The ELT22 is available in both ECL standards: the 10ELT is compatible with positive MECL 10H logic levels while the 100ELT is compatible with positive ECL 100K logic levels.
1.5ns Typical Propagation Delay.
📁 Related Datasheet
MC100ELT23 - Dual Differential PECL to TTL Translator (ON Semiconductor)
MC100ELT28 - TTL to Differential PECL/Differential PECL to TTL Translator (ON Semiconductor)