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SN74CB3T3253 - DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER

General Description

The SN74CB3T3253 is a high-speed TTL-compatible FET multiplexer/demultiplexer with low ON-state resistance (ron), allowing for minimal propagation delay.

The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks VCC.

Key Features

  • Output Voltage Translation Tracks VCC.
  • Supports Mixed-Mode Signal Operation on All Data I/O Ports.
  • 5-V Input Down to 3.3-V Output Level Shift With 3.3-V VCC.
  • 5-V/3.3-V Input Down to 2.5-V Output Level Shift With 2.5-V VCC.
  • 5-V Tolerant I/Os With Device Powered Up or Powered Down.
  • Bidirectional Data Flow With Near-Zero Propagation Delay.
  • Low ON-State Resistance (ron) Characteristics (ron = 5 Ω Typ).
  • Low Input/Output Capacita.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.ti.com SN74CB3T3253 DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH WITH 5-V TOLERANT LEVEL SHIFTER SCDS148 – OCTOBER 2003 – REVISED JUNE 2005 FEATURES • Output Voltage Translation Tracks VCC • Supports Mixed-Mode Signal Operation on All Data I/O Ports – 5-V Input Down to 3.3-V Output Level Shift With 3.3-V VCC – 5-V/3.3-V Input Down to 2.5-V Output Level Shift With 2.5-V VCC • 5-V Tolerant I/Os With Device Powered Up or Powered Down • Bidirectional Data Flow With Near-Zero Propagation Delay • Low ON-State Resistance (ron) Characteristics (ron = 5 Ω Typ) • Low Input/Output Capacitance Minimizes Loading (Cio(OFF) = 5 pF Typ) • Data and Control Inputs Provide Undershoot Clamp Diodes • Low Power Consumption (ICC = 20 µA Max) • VCC Operating Range From 2.