74ALVC164245PAG

Overview

The IDT 74ALVC164245PAG is a 16-bit dual-supply translating transceiver belonging to the 74ALVC logic family. It features two independent power rails, VCCA (2.7 V to 3.6 V) and VCCB (4.5 V to 5.5 V), enabling bidirectional voltage level translation between 3 V and 5 V systems. The device provides non-inverting three-state outputs with 8 channels per circuit. It operates within a temperature range of -40°C to +85°C and is housed in a 48-TSSOP package.

Feature Summary

• Dual-supply architecture supporting independent voltage domains for A and B ports
• Bidirectional data transfer capability controlled by direction input signals
• Three-state outputs allowing safe bus sharing and system isolation
• CMOS construction ensuring low power consumption and high noise immunity

Applications

• Connecting 3 V and 5 V mixed-voltage memory buses
• Asynchronous communication interfaces between different voltage logic families
• Level shifting in portable consumer electronics requiring multi-voltage operation

Procurement Notes

Verify the specific suffix 'PAG' against manufacturer documentation to confirm the 48-TSSOP package configuration. Ensure compatibility with required operating voltages, specifically that VCCB remains greater than or equal to VCCA during normal operation. Confirm moisture sensitivity levels and reflow soldering profiles align with assembly requirements.

Selection Notes

Select this component when interfacing 3 V logic with 5 V systems requiring 16-bit wide data paths. It serves as a direct replacement for similar ALVC series devices from other manufacturers, such as the SN74ALVC164245, provided pinout and electrical characteristics match the design constraints.

Part Context

This part belongs to the 74ALVC164245 series of high-performance, low-power, low-voltage CMOS translating transceivers. The series is designed to bridge voltage gaps in mixed-signal environments, offering superior performance compared to standard CMOS TTL-compatible series while maintaining low static power dissipation.

Replacement Considerations

Texas Instruments SN74AVCBH164245GR is listed as a direct substitute. onsemi 74VCX164245MTDX is noted as a similar alternative.