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DS3690
3.3V 26-Channel, Three-Stateable Transmission Gate

Highest Density Transmission Gate in the Industry; Needed for Higher Density SRAM


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 124kB)
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The DS3690 is a 26-channel, three-stateable transmission gate designed for transparent digital signal transfer when enabled and fast-gated bus isolation when the device is disabled. Each of the 26 independent channels can be used for input, output, or I/O signal applications, with a typical signal propagation delay of less than 10ns. Using the logic-control input, all channels can be simultaneously enabled for bus transmission or forced to a high-impedance condition to isolate a critical component on that bus.

The DS3690 operates on a single 3.3V (typical) power supply and is available in a space-saving 56-pin lead-free TQFN package.

Key Features   Applications/Uses
  • 26 Bidirectional Channels
  • Low Propagation Delay (< 10ns typ)
  • High-Speed On/Off Time (< 20ns typ)
  • 2.7V to 3.6V Supply
  • Wide Temperature Range: -55°C to +85°C
  • TQFN Package (5mm x 11mm x 0.8mm)

 
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    Key Specifications:  I/O Port Expanders
    Part Number Features I/O Outputs VSUPPLY
    (V)
    VSUPPLY
    (V)
    min max
    DS3690 
    26 Bidirectional Channels
    High-Speed On/Off Time
    Low Propagation Delay
    26 26 2.7 3.6
    See All I/O Port Expanders (26)

    Diagram
    DS3690: Typical Operating Circuit
    Typical Operating Circuit

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    2007-10-30
    This page last modified: 2009-08-26


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