IDT Releases World’s First IEEE 1588 Time and Frequency Generators Transparently Disciplined by Synchronous Ethernet

13 OCTOBER 2014

Integrated Device Technology, Inc. (IDT®) introduced a family of IEEE 1588 time and frequency generator chips to reduce costs while meeting the synchronization needs of

LTE-Advanced, wireless backhaul and heterogeneous networks. The new family of chips includes synchronization management devices (SMDs) and port synchronizers for IEEE 1588 and synchronous Ethernet (SyncE). The SMDs manage IEEE 1588 time and frequency generation and SyncE synchronization. The port synchronizers select between redundant SMD signals and provide accurate time and low-jitter clocks to the network ports in the system. The IDT 82P33810, 82P33814 and 82P33831 SMDs reduce the cost of IEEE 1588 clocks by replacing stable but expensive oven-controlled crystal oscillators (OCXOs) with low-cost temperature-compensated crystal oscillators (TCXOs) that are stabilized with frequency information from the SyncE physical layer. The process of stabilizing the TCXOs is automatic and transparent to the IEEE 1588 clock recovery software.

Integrated Device Technology
www.idt.com

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