74AVC1T45GW,125

Overview

The Nexperia 74AVC1T45GW,125 is a single-bit dual-supply voltage level translator and transceiver featuring 3-state outputs. It enables bidirectional data translation between ports A and B, controlled by a DIR input pin. Both VCC(A) and VCC(B) support supply voltages from 0.8 V to 3.6 V, allowing compatibility with various low-voltage nodes including 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V. The device operates within an ambient temperature range of -40 °C to +125 °C and is housed in a TSSOP6 (SOT363-2) package.

Feature Summary

• Supports bidirectional level translation between any low-voltage nodes ranging from 0.8 V to 3.6 V
• Includes IOFF circuitry for partial power-down mode operation to prevent damaging backflow currents
• Features suspend mode that places both ports in high-impedance OFF-state when either supply is at GND level
• Provides overvoltage tolerant inputs up to 3.6 V with high noise immunity

Applications

• Partial power-down applications requiring isolation during power-off states
• Bidirectional logic level-shifting between mixed voltage systems
• Unidirectional logic level-shifting applications
• Systems connecting devices operating at different supply voltages such as 1.8 V and 3.3 V

Procurement Notes

Verify the specific ordering suffix matches the required package type, as the GW suffix denotes the TSSOP6 (SOT363-2) plastic thin shrink small outline package. Confirm the temperature range specification aligns with system requirements, noting this variant is specified from -40 °C to +125 °C. Ensure design accounts for the DIR pin reference to VCC(A) and proper handling of bus contention in bidirectional configurations.

Selection Notes

Select this component when a single-channel bidirectional translator is needed with explicit direction control via the DIR pin. It is suitable for designs requiring independent supply rails for input and output ports within the 0.8 V to 3.6 V range. Consider the TSSOP6 package constraints regarding board space and thermal dissipation limits specified in the datasheet.

Part Context

This part belongs to the 74AVC1T45 family of dual-supply voltage level translators. The family offers multiple package options including XSON6 variants (GM, GN, GS, GX) alongside the TSSOP6 version. All variants share identical electrical characteristics and functionality, differing only in physical package dimensions and lead configuration.

Replacement Considerations

Other packages within the same 74AVC1T45 family, such as 74AVC1T45GM or 74AVC1T45GN, offer equivalent electrical performance. Verify pinout compatibility if substituting with leadless packages like XSON6, as pin assignments may differ physically despite logical equivalence.