Features

 Provides jitter attenuation and frequency

translation between SONET/PDH and

Ethernet

 Supports ITU-T G.8262 Synchronous

Ethernet equipment slave clock (EEC

option 1 and 2) requirements with

optional Stratum 3 compliant timing card

clock source

 Two clock inputs/two clock outputs

 Input frequency range: 8 kHz–644 MHz

 Output frequency range: 8 kHz–644 MHz

 Ultra low jitter:

0.23 ps RMS (1.875–20 MHz)

0.47 ps RMS (12 kHz–20 MHz)

 Simple pin control interface

 Selectable loop bandwidth for jitter

attenuation: 60 to 8.4 kHz

 Automatic/Manual hitless switching

and holdover during loss of inputs

clock

 Programmable output clock signal

format: LVPECL, LVDS, CML or

CMOS

 40 MHz crystal or XO reference

 Single supply: 1.8, 2.5, or 3.3 V

 On-chip voltage regulator with high

PSRR

 Loss of lock and loss of signal alarms

 Small size: 6 x 6 mm, 36-QFN

 Wide temperature range: –40 to

+85 ºC

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