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©2017 Integrated Device Technology, Inc.

April 5, 2017

HIGHLIGHTS

• System implements ITU-T telecom profiles

• Composed of IDT’s IEEE 1588 software and IDT’s Synchronization

Management Unit (SMU) hardware

• Operates as IEEE 1588 / PTP slave

• Recovers accurate and stable synchronization signals from packet

based IEEE 1588 / PTP master

• Provides integrated physical layer frequency support

• Operates as an IEEE 1588 / PTP master

SOFTWARE

• C99 source code distribution, supporting POSIX-based Operating Sys-

tems (OSs) such as Linux

• IEEE 1588 compliant Precision Time Protocol (PTP) stack

• Abstraction interface supports user-supplied IEEE 1588 compliant Pre-

cision Time Protocol (PTP) stack

• Reference trackers filter packet synchronization noise from IEEE 1588

unaware networks

HARDWARE

• Synchronization Management Unit (SMU) provides tools to manage

physical layer and packet based synchronous clocks for IEEE 1588

Telecom Profile applications

• Supports independent IEEE 1588 and Synchronous Ethernet (SyncE)

timing paths

• Combo mode provides SyncE physical layer frequency support for IEEE

1588 Telecom Boundary Clocks (T-BC) and Telecom Time Slave Clocks

(T-TSC) per G.8273.2

• Digital PLLs can be configured as Digitally Controlled Oscillators

(DCOs) for IEEE 1588 clock synthesis

• Generates G.8262 compliant SyncE clocks

• Fractional-N input dividers support a wide range of reference frequen-

cies

• Locks to 1 pulse per second (PPS) references from GPS based sources

• Loads configuration from an external EPROM after reset

APPLICATIONS

• Access routers, edge routers, core routers

• Carrier Ethernet switches

• Multiservice access platforms

• PON OLT

• LTE eNodeB

• ITU-T G.8265.1 & G.8275.1 Telecom Profile clock synthesizer

• ITU-T G.8273.2 Telecom Boundary Clock (T-BC) and Telecom

• Time Slave Clock (T-TSC)

• ITU-T G.8264 Synchronous Equipment Timing Source (SETS)

• ITU-T G.8263 Packet-based Equipment Clock (PEC)

• ITU-T G.8262 Synchronous Ethernet Equipment Clock (EEC)

• ITU-T G.813 Synchronous Equipment Clock (SEC)

• Telcordia GR-253-CORE Stratum 3 Clock (S3) and SONET Minimum

Clock (SMC)

Synchronization System

for IEEE 1588

82P33910 / 82P33910-1

Datasheet