SN74LVCH245APWT

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVCH245APWT is an octal bus transceiver from the Texas Instruments SN74LVCH245A series, designed for low-voltage CMOS technology. It features eight bidirectional data channels with three-state outputs and operates within a supply voltage range of 2 V to 3.6 V. The device supports TTL/CMOS input levels and provides LVTTL output levels. Key electrical specifications include a propagation delay of 7 ns, a maximum power supply current of 1 uA, and output drive capabilities of 24 mA in both high and low states. It is housed in a 20-pin VQFN package and functions as a non-inverting standard transceiver.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight bidirectional data channels for efficient bus-oriented communication.
• Features three-state outputs that facilitate direct connection to bus lines without additional drivers.
• Supports low-voltage operation ranging from 2 V to 3.6 V for compatibility with modern logic families.

Buffers, Drivers, Receivers, Transceivers Applications

• Memory mapping control
• Clock driving
• Bus-oriented communications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'G4' or absence thereof against the manufacturer's official ordering information to ensure compliance with RoHS directives and lead-free requirements. Confirm the package type matches the design footprint, as variations exist between TSSOP and VQFN configurations within the same logical family. Cross-reference the datasheet revision date to ensure all electrical characteristics align with current manufacturing standards before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring low-power consumption and high-speed data transfer at voltages below 3.6 V. The LVCH series offers improved performance over standard LVC devices while maintaining pin-to-pin compatibility. Ensure the application environment stays within the specified operating temperature range and that the load capacitance does not exceed the rated limits to maintain signal integrity and propagation delay specifications.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVCH245A family of octal bus transceivers manufactured by Texas Instruments. It utilizes advanced CMOS technology to achieve low static power dissipation and high noise immunity. The device is part of a broader portfolio of logic ICs designed for portable and battery-operated applications where power efficiency and small form factors are critical constraints.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include SN74LVCH245ADWR and SN74LVCH245ARGYRG4, which share identical logical functionality but differ in package style such as SOIC or VQFN. Verify pinout compatibility and thermal performance characteristics when transitioning between different package types to ensure reliable integration into existing PCB layouts.