74LCXH245SJ

Overview

The Fairchild Semiconductor 74LCXH245SJ is an octal bus transceiver featuring non-inverting logic and three-state outputs. It operates within a supply voltage range of 2V to 3.6V and supports bidirectional data transfer controlled by a direction input. The device utilizes advanced CMOS technology for low power dissipation while providing high-speed performance suitable for memory and microprocessor systems.

Feature Summary

• Bidirectional data transmission capability with direction control
• Three-state outputs allowing effective bus isolation
• Advanced CMOS fabrication for low power consumption
• Non-inverting logic configuration

Applications

• Memory interface circuits
• Microprocessor system buses
• Asynchronous bidirectional data buses

Procurement Notes

Verify the manufacturer designation, as ON Semiconductor acquired Fairchild's semiconductor business. Confirm the package type matches the SOP-20 specification and check for lead-free compliance markings. Ensure the component meets the required operating temperature range and voltage specifications for your specific application design.

Selection Notes

Select this component when a bidirectional octal transceiver with three-state outputs is required for low-voltage applications. It is suitable for interfacing between different voltage domains in systems requiring non-inverting signal paths. Consider the package constraints and thermal requirements during the selection process.

Part Context

This part belongs to the 74LCXH series, which represents low-voltage CMOS logic devices. The LCXH series is designed for operation at lower supply voltages compared to standard 5V logic families, making it appropriate for modern low-power digital systems and portable electronic devices.

Replacement Considerations

Compatible substitutes include the 74LCX245 and 74LVC245 from various manufacturers. Verify pin compatibility and electrical characteristics before substitution.