SN74AVC4T245DGVR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AVC4T245DGVR is a 4-bit dual-supply noninverting bus transceiver with configurable voltage translation and 3-state outputs. It operates within a supply voltage range of 1.2V to 3.6V on both VCCA and VCCB rails. The device supports maximum data rates up to 380Mbps for 1.8V to 3.3V translation. It features I/Os that are 4.6V tolerant and includes Ioff circuitry for partial power-down mode operation. The component utilizes a TVSOP-16 package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Fully configurable dual-rail design allows independent operation of each port over the full 1.2V to 3.6V power-supply range.
• Ioff circuitry disables outputs to prevent damaging current backflow during partial power-down applications.
• Control inputs reference VCCA voltage, enabling universal low-voltage bidirectional translation between various voltage nodes.

Buffers, Drivers, Receivers, Transceivers Applications

• Personal electronics
• Industrial systems
• Enterprise infrastructure
• Telecommunications equipment

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix DGVR corresponds to the TVSOP-16 package and tape-and-reel shipping configuration. Confirm RoHS compliance status and SVHC declarations against the latest manufacturer documentation before integration. Ensure input pins are held at valid logic levels to prevent excess current consumption during operation.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when asynchronous communication between two data buses requires voltage level translation across different supply rails. It is suitable for interfacing devices operating at distinct interface voltages, such as translating between 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V nodes. Ensure the application does not exceed the 4.6V I/O tolerance rating.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN74AVC4T245 family of 4-bit dual-supply bus transceivers. The family offers identical electrical functionality across multiple package options, including SOIC, TSSOP, WQFN, UQFN, SOT, and TVSOP configurations. The DGVR suffix specifically identifies the Thin-shrink small-outline package variant designed for surface-mount assembly.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AVC4T245DGV

Buffers, Drivers, Receivers, Transceivers FAQ

How does the OE pin function during power-up?

To place outputs in the high-impedance state during power-up or power-down, the OE input must be tied to VCCA through a pullup resistor. This prevents enabling until VCCA and VCCB are fully ramped and stable.

What is the purpose of the Ioff feature?

The Ioff feature supports partial-power-down mode by disabling the I/O output circuits. This prevents damaging current backflow through the device when it is powered down but connected to active systems.