VersaClock 3S Clock Generators Renesas Electronics VersaClock 3S Programmable Clock Generators are designed for low-power, consumer, and high-performance PCI Express applications. The generators feature a three PLL architecture design with each PLL individually programmable. This allows for up to three (5P35021) or six (5P35023) unique frequency outputs. The generators feature Proactive Power Saving (PPS), Performance-Power Balancing (PPB), Overshot Reduction Technology (ORT), and Extreme Low Power DCO.