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SN74CBT3253C Datasheet Dual 1-of-4 Fet Multiplexer/demultiplexer

Manufacturer: Texas Instruments

Overview: www.ti.com SN74CBT3253C DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER 5-V BUS SWITCH WITH –2-V UNDERSHOOT PROTECTION SCDS123B – JULY 2003 – REVISED JANUARY.

General Description

/ORDERING INFORMATION The SN74CBT3253C is a high-speed TTL-compatible FET multiplexer/demultiplexer with low ON-state resistance (ron), allowing for minimal propagation delay.

Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBT3253C provides protection for undershoot up to –2 V by sensing an undershoot event and ensuring that the switch remains in the proper OFF state.

The SN74CBT3253C is organized as two 1-of-4 multiplexer/demultiplexers with separate output-enable (1OE, 2OE) inputs.

Key Features

  • SN74CBT3253C Functionally Identical to Industry-Standard ’3253 Function.
  • Undershoot Protection for Off-Isolation on A and B Ports up to.
  • 2 V.
  • Bidirectional Data Flow, With Near-Zero Propagation Delay.
  • Low ON-State Resistance (ron) Characteristics (ron = 3 Ω Typical).
  • Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 5.5 pF Typical).
  • Data and Control Inputs Provide Undershoot Clamp Diodes.
  • Low P.

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