5P49V5901B000NLGI8 is a programmable clock generator intended for high-performance consumer, networking, industrial, computing, and data-communications applications. Configurations may be stored in on-chip one-time programmable (OTP) memory or changed using I²C interface. This is IDTs fifth generation of programmable clock technology (VersaClock® 5). The frequencies are generated from a single reference clock. The reference clock can come from one of the two redundant clock inputs. A glitchless manual switchover function allows one of the redundant clocks to be selected during normal operation. Two select pins allow up to 4 different configurations to be programmed and accessible using processor GPIOs or bootstrapping. Applications include ethernet switches/routers, PCI Express 1.0/2.0/3.0, broadcast video/audio timing, multi-function printers, processor and FPGA clocking, any-frequency clock conversion, MSAN/DSLAM/PON, fiber Channel, SAN, telecom line cards, 1 GbE and 10 GbE.