MC74LCX245DWR2

Overview

The MC74LCX245DWR2 is an octal bidirectional bus transceiver manufactured by onsemi. It features low-voltage CMOS technology with 5 V-tolerant inputs and outputs, supporting a supply voltage range of 2.0 V to 3.6 V. The device provides three-state outputs and operates within a temperature range of -40 °C to +85 °C. It utilizes a 20-pin SOIC package (DW) and is designed for high-performance data transmission applications requiring non-inverting logic functionality.

Feature Summary

• Octal bidirectional data transmission capability
• 5 V-tolerant input and output interfaces
• Three-state output configuration

Applications

• Memory module data bus interfacing
• Consumer electronics signal routing
• Industrial control system communication links

Procurement Notes

Verify the specific suffix DWR2 against current manufacturer documentation to confirm package type and tape/reel specifications. Confirm RoHS compliance status through official datasheets. Check for active manufacturing status as some variants may be obsolete or subject to change without notice.

Selection Notes

Select this component when designing systems requiring 8-bit wide data paths with mixed voltage domain compatibility. Ensure the operating voltage aligns with the 2.0 V to 3.6 V specification. Verify that the SOIC-20 package footprint matches the PCB layout requirements and thermal constraints of the target application.

Part Context

This part belongs to the 74LCX245 series of low-voltage CMOS bus transceivers. It serves as a standard interface solution for connecting microprocessors, memory devices, and peripheral chips in digital circuits where voltage level shifting between 3.3 V and 5 V domains is necessary.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official distributor databases for direct replacements or alternative package types from the same manufacturer.