Overview

The 8S89874I is a high speed 1:2 Differential-to- LVPECL Buffer/ Divider. The 8S89874I has a selectable ÷1, ÷2, ÷4, ÷8, ÷16 output divider, which allows the device to be used as either a 1:2 fanout buffer or frequency divider. The clock input has internal termination resistors, allowing it to interface with several differential signal types while minimizing the number of required external components. The device is packaged in a small, 3mm x 3mm VFQFN package, making it ideal for use on space-constrained boards.

8S89874I - Block Diagram
8S89874I - Pinout
8S89874I - Block Diagram
8S89874I - Pinout
  • Two LVPECL/ECL output pairs
  • Frequency divide select options: ÷1 (pass through), ÷2, ÷4, ÷8, ÷16
  • IN, nIN input can accept the following differential input levels: LVPECL, LVDS, CML
  • Output frequency: 2GHz (maximum)
  • Output skew: 15ps (maximum)
  • Part-to-part skew: 250ps (maximum)
  • Additive phase jitter, RMS: 0.20ps (typical)
  • LVPECL supply voltage range: 2.375V to 3.63V
  • ECL supply voltage range: -3.63V to -2.375V
  • -40°C to 85°C ambient operating temperature
  • Available in lead-free (RoHS 6) package

Documentation

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

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Diagram of ECAD Models

Product Options

    Processing table
    Pkg. Type
    Lead Count (#)
    Temp. Grade
    Pb (Lead) Free
    Carrier Type
    Buy / Sample
    Part Number
    8S89874BKILF
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    view_in_ar
    		VFQFPN 16 I Yes Tray
    8S89874BKILF/W
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    view_in_ar
    		VFQFPN 16 I Yes Reel
    8S89874BKILFT
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    memory
    view_in_ar
    		VFQFPN 16 I Yes Reel
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