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SN74CB3Q16245 - 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH

Description

The SN74CB3Q16245 is a high-bandwidth FET bus switch utilizing a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (ron).

Features

  • Member of the Texas Instruments Widebus™ Family.
  • High-Bandwidth Data Path (up to 500 MHz (1)).
  • 5-V Tolerant I/Os With Device Powered Up or Powered Down.
  • Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 5 Ω Typ).
  • Rail-to-Rail Switching on Data I/O Ports.
  • 0- to 5-V Switching With 3.3-V VCC.
  • 0- to 3.3-V Switching With 2.5-V VCC.
  • Bidirectional Data Flow With Near-Zero Propagation Delay.

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SN74CB3Q16244 16-Bit FET Bus Switch
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Full PDF Text Transcription

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www.ti.com FEATURES • Member of the Texas Instruments Widebus™ Family • High-Bandwidth Data Path (up to 500 MHz (1)) • 5-V Tolerant I/Os With Device Powered Up or Powered Down • Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron = 5 Ω Typ) • Rail-to-Rail Switching on Data I/O Ports – 0- to 5-V Switching With 3.3-V VCC – 0- to 3.3-V Switching With 2.5-V VCC • Bidirectional Data Flow With Near-Zero Propagation Delay • Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 4 pF Typ) • Fast Switching Frequency (fOE = 20 MHz Max) • Data and Control Inputs Provide Undershoot Clamp Diodes • Low Power Consumption (ICC = 1 mA Typ) • VCC Operating Range From 2.3 V to 3.6 V • Data I/Os Support 0- to 5-V Signaling Levels (0.8 V, 1.2 V, 1.5 V, 1.
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