SG-210STF Standard Clock Oscillators EPSON SG-210STF Standard Clock Oscillators are SPXOs (Simple Packaged Crystal Oscillators) suitable for a wide range of clocking applications. These devices offer a wide frequency range of 1MHz to 75MHz with a supply voltage of 1.6V to 3.63V. These ultra-compact, high performance, and cost competitive crystal oscillators are ideal for portable and space-constrained applications in the consumer, industrial, and communications areas.