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SN74LVC2T45 - Dual-Bit Dual-Supply Bus Transceiver

Description

This dual-bit noninverting bus transceiver uses two separate configurable power-supply rails.

The A port is designed to track VCCA.

VCCA accepts any supply voltage from 1.65V to 5.5V.

Features

  • Fully configurable dual-rail design allows each port to operate over the full 1.65-V to 5.5-V powersupply range.
  • VCC isolation feature.
  • if either VCC input is at GND, both ports are in the high-impedance state.
  • DIR input circuit referenced to VCCA.
  • Low power consumption, 4-μA maximum ICC.
  • Available in the Texas Instruments NanoFree™ package.
  • ±24-mA output drive at 3.3 V.
  • Ioff supports Partial-Power-Down mode operation.

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Full PDF Text Transcription

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SN74LVC2T45 SCES516N – DECEMBER 2003 – REVISED JUNE 2024 SN74LVC2T45 Dual-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation 1 Features • Fully configurable dual-rail design allows each port to operate over the full 1.65-V to 5.5-V powersupply range • VCC isolation feature – if either VCC input is at GND, both ports are in the high-impedance state • DIR input circuit referenced to VCCA • Low power consumption, 4-μA maximum ICC • Available in the Texas Instruments NanoFree™ package • ±24-mA output drive at 3.3 V • Ioff supports Partial-Power-Down mode operation • Maximum data rates: – 420 Mbps (3.3-V to 5-V translation) – 210 Mbps (translate to 3.3 V) – 140 Mbps (translate to 2.5 V) – 75 Mbps (translate to 1.
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