NB4L339 Overview
The NB4L339 is a multi−function Clock generator featuring a 2:1 Clock multiplexer front end and simultaneously outputs a selection of four different divide ratios from its four divider blocks; One divide block has a choice of ÷1 or ÷ 2. The output of each divider block is fanned−out to two identical differential LVPECL copies of the selected clock.