FemtoClock® Crystal-to-LVDS Clock Generator

NOTICE - The following device(s) are recommended alternatives:
The ICS844252-04 is a 10Gb/12Gb Ethernet Clock Generator. The ICS844252-04 can synthesize 10 Gigabit Ethernet and 12 Gigabit Ethernet with a 25MHz crystal. It can also generate SATA and 10Gb Fibre Channel reference clock frequencies with the appropriate choice of crystals. The ICS844252-04 has excellent phase jitter performance and is packaged in a small 16-pin TSSOP, making it ideal for use in systems with limited board space.
 

Features

  • Two differential LVDS output pairs
  • Crystal input frequency range: 20MHz – 30MHz
  • Output frequency range: 150MHz – 187.5MHz
  • VCO range: 600MHz - 750MHz
  • RMS phase jitter @ 156.25MHz (1.875MHz – 20MHz): 0.31ps (typical)
  • Full 3.3V supply mode
  • 0°C to 70°C ambient operating temperature
  • Lead-free (RoHS 6) packaging

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
844252AG-04LF Obsolete PGG16 TSSOP 16 C Yes Tube Availability
844252AG-04LFT Obsolete PGG16 TSSOP 16 C Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
844252-04 Final Data Sheet Datasheet PDF 444 KB Feb 17, 2014
PCNs & PDNs
PDN# : CQ-16-02 Quarter PDN for Declined Market Product Discontinuation Notice PDF 592 KB Aug 24, 2016
PCN# : A1602-01(R1) Add Greatek Taiwan as Alternate Assembly Product Change Notice PDF 611 KB Apr 13, 2016
PCN# : A1602-01 Add Greatek Taiwan as Alternate Assembly Product Change Notice PDF 611 KB Feb 14, 2016
PCN# : A1511-01(R1) Add SPEL India as Alternate Assembly Location Product Change Notice PDF 596 KB Jan 27, 2016
PCN# : A1511-01 Add SPEL India as Alternate Assembly Location Product Change Notice PDF 544 KB Nov 12, 2015
PCN# : TB1403-01 Changed in Carrier Tape, Plastic Reel and Quantity per Reel on TSSOP-14, TSSOP-16 Product Change Notice PDF 663 KB Apr 7, 2014
Other
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB Apr 28, 2016
IDT Clock Distribution Overview 日本語 Overview PDF 3.79 MB Apr 24, 2016