The PL520-30 is a VCXO IC specifically designed to pull frequency fundamental crystals from 65MHz to 130MHz, with selectable PECL or LVDS outputs and OE logic (enable high or enable low)
The PL502-30 is a monolithic low jitter and low phase noise VCXO IC with LVCMOS, LVDS and LVPECL output capabilities, covering the 750kHz to 800MHz output range