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SN74CB3Q3305 - 2.5-V or 3.3-V Low-Voltage High-Bandwidth Bus Switch

Datasheet Summary

Description

The SN74CB3Q3305 device is a high-bandwidth FET bus switch using a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (ron).

Features

  • 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 = 3 Ω typical).
  • Supports input voltage beyond supply 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 or output capacitance minimizes l.

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Datasheet preview – SN74CB3Q3305

Datasheet Details

Part number SN74CB3Q3305
Manufacturer Texas Instruments
File Size 1.63 MB
Description 2.5-V or 3.3-V Low-Voltage High-Bandwidth Bus Switch
Datasheet download datasheet SN74CB3Q3305 Datasheet
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Full PDF Text Transcription

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SN74CB3Q3305 SCDS141D – OCTOBER 2003 – REVISED SEPTEMBER 2021 SN74CB3Q3305 Dual FET Bus Switch 2.5-V or 3.3-V Low-Voltage High-Bandwidth Bus Switch 1 Features • 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 = 3 Ω typical) • Supports input voltage beyond supply 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 or output capacitance minimizes loading and signal distortion (Cio(OFF) = 3.5 pF typical) • Fast switching frequency (fOE = 20 MHz maximum) • Data and control inputs provide undershoot clamp diodes • Low power consumption (ICC = 0.
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