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U74CB3Q3305 - DUAL FET BUS SWITCH 2.5V OR 3.3V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH

General Description

The U74CB3Q3305 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).

Key Features

  • S.
  • Operation Voltage Range: 2.3 ~ 3.6V.
  • Low power consumption, 0.25mA Typ. ICC.
  • High-bandwidth data path (up to 500 MHz).
  • 5V tolerant I/Os with device powered up or powered down.
  • Low and flat ON-state resistance (ron) characteristics over operating range (Ron = 3.5Ω typical).
  • Supports input voltage beyond supply on data I/O ports 0 to 5V switching with 3.3V VCC 0 to 3.3V switching with 2.5V VCC.
  • Data I/Os support 0 to 5 V signaling levels (0.8V, 1.2V, 1.5V, 1.8.

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Full PDF Text Transcription (Reference)

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UNISONIC TECHNOLOGIES CO., LTD U74CB3Q3305 Preliminary DUAL FET BUS SWITCH 2.5V OR 3.3V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH CMOS IC  DESCRIPTION The U74CB3Q3305 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). The low and flat ON-state resistance allows for minimal propagation delay and supports switching input voltage beyond the supply on the data input/output (I/O) ports. The device also features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus.