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74AVC4T245GU,115

74AVC4T245GU,115

Nexperia
Translation - Voltage Levels 74AVC4T245GU/SOT1161/XQFN16
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Overview

The 74AVC4T245GU is a 4-bit, dual-supply transceiver that enables bidirectional voltage level translation between 0.8V and 3.6V. It features two data ports, a direction control input, and an output enable input, with all control pins referenced to the VCC(A) supply.

Why Choose This Part

This device offers ultra-low propagation delay (typically 2.1ns at 1.8V to 3.3V) and supports partial power-down mode (Ioff) which prevents damaging backflow current when a supply is removed. The tiny XQFN16 package is ideal for space-constrained mobile and portable applications.

Applications

Mixed-Voltage Logic Interfacing
Connecting low-voltage processors (0.8V to 1.8V) to legacy 3.3V peripherals or sensors.
High-Speed Bus Isolation
Using the output enable (OE) pin to isolate bus segments in multi-master systems.
Bidirectional Signal Buffering
Managing data flow between ASICs and FPGAs operating on different power domains.

Getting Started

When designing with this part, ensure that VCC(A) is tied to the lower voltage supply if using the control pins at that logic level, as they are referenced to VCC(A). Use 0.1uF ceramic bypass capacitors close to both the VCC(A) and VCC(B) pins to minimize noise during high-speed transitions.