74LCXR2245MTCX

Overview

The 74LCXR2245MTCX is an octal bus transceiver manufactured by onsemi, designed for low-voltage CMOS applications. It features eight non-inverting bidirectional buffers with three-state outputs, facilitating data transfer between two buses operating at different voltage levels. The device supports a supply voltage range of 1.65V to 3.6V and utilizes a 20-pin TSSOP surface-mount package. Key electrical characteristics include high noise immunity and compatibility with standard logic families, ensuring reliable signal integrity in embedded systems and portable electronics.

Feature Summary

• Octal bidirectional data transfer capability between buses
• Three-state outputs for efficient bus management
• Low voltage operation compatible with 1.65V to 3.6V supplies
• CMOS technology providing high noise immunity

Applications

• Memory module interfacing
• Clock distribution networks
• Bus-oriented communication systems

Procurement Notes

Verify the specific suffix 'R' indicates tape-and-reel packaging when ordering. Confirm the manufacturer is onsemi, as this part number may have originated from Fairchild Semiconductor prior to acquisition. Ensure the component meets RoHS compliance requirements for your specific application environment. Cross-reference the datasheet revision to confirm pinout and electrical specifications match your design needs.

Selection Notes

Select this component for designs requiring bidirectional data flow between 1.8V and 3.3V domains. The TSSOP-20 package offers a compact footprint suitable for space-constrained PCB layouts. Consider the propagation delay and output drive current specifications against your system's timing requirements. This device is appropriate for general-purpose bus applications where voltage translation between low-voltage CMOS logic levels is necessary.

Part Context

This component belongs to the 74LCX series of low-voltage CMOS logic devices. The LCX family is characterized by its ability to interface directly with 3.3V systems while maintaining compatibility with older 5V or lower voltage logic standards. The 2245 variant specifically denotes an octal transceiver with direction control, distinct from the 245 which typically lacks certain interface features found in the 2245 line.