74LCXH2245SJ

Overview

The 74LCXH2245SJ is a low-voltage bidirectional transceiver containing eight non-inverting buffers with three-state outputs. Designed for bus-oriented applications, it operates within a supply voltage range of 2V to 3.6V. The device features active bus-hold circuitry on data inputs and incorporates 26-ohm series resistors in the B port outputs to reduce overshoot and undershoot. It utilizes advanced CMOS technology for low power dissipation and includes 5V tolerant control inputs.

Feature Summary

• Features active bus-hold circuitry on data inputs to eliminate the need for external pull-up resistors for unused or floating lines.
• Incorporates 26-ohm series resistors in the B port outputs to help reduce output overshoot and undershoot.
• Designed with 5V tolerant control inputs for interfacing between different voltage domains.

Applications

• Bus-oriented applications requiring bidirectional data transfer
• Low voltage (2.5V and 3.3V) system interconnects
• Systems requiring 5V tolerant control input interfaces

Procurement Notes

Verify the specific suffix 'SJ' against the manufacturer's official datasheet to confirm package dimensions and marking details. Ensure compatibility with the required operating temperature range of -40°C to 85°C. Confirm that the 26-ohm series resistor configuration aligns with your signal integrity requirements before finalizing procurement.

Selection Notes

Select this component when designing systems that require bidirectional buffering with integrated series resistance for signal integrity. It is suitable for applications needing 5V tolerant inputs while operating at lower core voltages. Consider the 20-SOP package constraints and ensure the board layout accommodates the specified width.

Part Context

This part belongs to the LCXH logic family, which provides low-voltage operation with high-speed performance. Unlike standard LVC devices, the LCXH series specifically addresses signal integrity issues through built-in series resistors and offers robust 5V tolerance on control pins, making it distinct from basic buffer families.

Replacement Considerations

Check for equivalents such as the ON Semiconductor version of the same part number. Verify pinout compatibility and electrical specifications if substituting with other manufacturers' LCXH2245 variants.