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MAX9326
1:9 Differential LVPECL/LVECL/HSTL Clock and Data Driver


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 320kB)
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The MAX9326 low-skew, 1:9 differential driver features extremely low output-to-output skew (50ps max) and part-to-part skew (225ps max). These features make the device ideal for clock and data distribution across a backplane or board. The device repeats an HSTL or LVECL/LVPECL differential input at nine differential outputs. Outputs are compatible with LVECL and LVPECL, and directly drive 50Ω terminated transmission lines.

The differential inputs can be configured to accept a single-ended signal when the unused complementary input is connected to the on-chip reference output voltage VBB. All inputs have internal pulldown resistors to VEE. The internal pulldowns and a fail-safe circuit ensure differential low default outputs when the inputs are left open or at VEE.

The MAX9326 operates over a +2.375V to +3.8V supply range for interfacing to differential HSTL and LVPECL signals. This allows high-performance clock or data distribution in systems with a nominal +2.5V or +3.3V supply. For LVECL operation, the device operates with a -2.375V to -3.8V supply.

The MAX9326 is offered in 28-lead PLCC and space-saving 28-lead QFN packages. The MAX9326 is specified for operation from -40°C to +85°C.

Key Features   Applications/Uses
  • 50ps (max) Output-to-Output Skew
  • 1.5psRMS (max) Random Jitter
  • Guaranteed 300mV Differential Output at 1.0GHz
  • +2.375V to +3.8V Supplies for Differential HSTL/LVPECL
  • -2.375V to -3.8V Supplies for Differential LVECL
  • On-Chip Reference for Single-Ended Inputs
  • Outputs Low for Inputs Open or at VEE
  • Pin Compatible with MC100LVE111

     
    • Low-Jitter Data Repeater
    • Precision Clock Distribution

    Key Specifications:  High-Speed Interconnect (Differential Signaling)
    Part Number Features Signal Type Signal Type Functions Rx Tx tPD
    (ps)
    VSUPPLY
    (V)
    Rx Tx max
    MAX9326  Fail-Safe Inputs
    HSTL
    LVECL
    LVPECL
    LVECL
    LVPECL
    Fan-Out Buffer 1 9 650 3.3
    See All High-Speed Interconnect (Differential Signaling) (133)

    Diagram
    MAX9326: Functional Diagram
    Functional Diagram

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    Document Ref.: 19-2538; Rev 2; 2003-03-21
    This page last modified: 2009-10-14


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