IC Analog Multiplexers from Microchip Technology, Inc.

Clock and Data Distribution -- SY89546U

Clock and Data Distribution -- SY89546U -- View Larger Image
Clock and Data Distribution -- SY89546U-Image

The SY89546U is a precision, High-speed 4:1 differential multiplexer that provides two copies of the selected input. The high speed LVDS (350mV) compatible outputs with a guaranteed throughput of up to 3.2Gbps over temperature and voltage.The SY89546U differential inputs include Micrel's unique 3-pin internal termination design that allows access to the termination network through a VT pin. This feature allows the device to easily interface to different logic standards, both AC- and DC-coupled without external resistor-bias and termination networks. The result is a clean, stub-free, low jitter interface solution.The SY89546U operates from a single 2.5V supply, and is guaranteed over the full industrial temperature range (-40°C to +85°C). For applications that require a 3.3V supply, consider the SY89547L. Or, for applications that only require one differential output, consider the SY89544U or SY89545L. The SY89546U is part of Micrel's Precision Edge®product family.

Additional Features

    • Selects among four differential inputs
    • Provides two copies of the selected input
    • Guaranteed AC parameters over temp/voltage:
      • DC-to >3.2Gbps data rat throughput
      • <620ps In-to-Out tpd
      • <150ps tr/tf time
    • Unique input isolation design minimize crosstalk
    • Ultra-low jitter design:
      • <1psRMS random jitter
      • <10psPP deterministic jitter
      • <10psPP total jitter (clock)
    • <0.7psRMS crosstalk-induced jitter
    • Internal input termination
    • Unique input termination and VTpin accepts DC-coupled and AC-coupled inputs (LVDS, LVPECL, CML)
    • 350mV LVDS output swing
    • Power supple 2.5V ±5%
    • -40°C to +85°C temperature range
    • Available in 32-pin (5mm x 5mm) MLF® package

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