Bus switches for hot plug, isolation and multiplexing

Bus switches are low delay single transistor or transmission gate solutions for multiplexing data buses, hot swapping boards in backplanes, memory interleaving, signal conditioning and uni-direction level shifting.

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Key features and benefits

  • 5 V and 3.3 V level shifting
  • 3.3 V to 1.8 V level shifting
  • Low propagation delay
  • TTL control inputs

Key applications

  • Telecomunications infrastructure
  • Industrial control
  • Uni-directional level shifting
  • Cell phones

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Descriptive summary

NXP’s bus switch and multiplexer options include 5 V CBT, 5 V to 3.3 V CBTD level shifting, 3.3 V CBTLV and 3.3 V to 1.8 V CBTLVD variants of bit width ranging from single-bit to 24-bit.

Bus switches are available in standard logic and innovative PicoGate packages. Smaller leadless MicroPak and DQFN packages are available for PCB space saving. NXP’s bus switches are fully specified from either -40 °C to 85 °C or -40 °C to 125 °C

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