AB-557 Clock Generators Abracon AB-557 Clock Generators feature high performance MEMS technology, meets PCIe Gen1, Gen2, and Gen3 specs, and is available in Mixed Output Formats: HCSL, LVPECL, LVDS or LVCMOS. Abracon AB-557 Clock Generators offer a wide temperature range of -40° to 105° C, a wide supply range of 2.25V to 3.6 V, low power consumption, and excellent shock and vibration immunity. Ideal applications for AB-557 Clock Generators include Solid State Storage, storage area networks, passive optical networks, ethernet, TV and other consumer electronics, industrial and medical, and scanners and printers.