SN74LVC244ADWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC244ADWR is an octal buffer and line driver from Texas Instruments, belonging to the LVC logic family. It features eight non-inverting channels with three-state outputs, designed for operation within a supply voltage range of 1.65 V to 3.6 V. The device supports mixed-mode signal operations, allowing 5-V tolerant inputs while operating at lower voltages. Key electrical parameters include a maximum low-level output current of 24 mA and a high-level output current of -24 mA. Propagation delay is specified at 6.7 ns at 2.7 V and 5.7 ns at 3.3 V. It operates over an extended temperature range from -40°C to +125°C and is housed in a 20-pin SOIC package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports mixed-mode signal operations with 5-V tolerant inputs compatible with 3.3-V VCC systems
• Provides Ioff functionality to support live insertion, partial power-down, and back-drive protection
• Features latch-up performance exceeding 250 mA per JESD 17 standards

Buffers, Drivers, Receivers, Transceivers Applications

• Asynchronous communication between data buses
• Industrial control systems
• Consumer electronics
• Wireless and imaging applications
• Motor drive and control circuits

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix against official Texas Instruments documentation to confirm package type and tape-and-reel specifications. Ensure the component meets RoHS compliance requirements for your assembly process. Confirm that the 5-V input tolerance aligns with your system's interface voltage levels. Check for any regional export control classifications such as EAR99 status before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring low-voltage operation between 1.65 V and 3.6 V with high-speed buffering capabilities. The 5-V tolerant inputs make it suitable for interfacing legacy 5-V logic with modern low-voltage microcontrollers. Consider the extended temperature range for industrial environments. Evaluate the propagation delay requirements against the 5.7 ns typical value at 3.3 V to ensure signal integrity in high-frequency applications.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVC244A series, which represents Texas Instruments' Low-Voltage CMOS logic family. The series is characterized by high speed and low power consumption, making it ideal for portable and battery-operated devices. The 'ADWR' suffix indicates a specific tube or reel packaging variant within the broader product line, distinct from other pin-compatible buffers like the ACT or HCT families.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct pin-to-pin replacements may include SN74LVC244ADW or SN74LVC244APWR, provided the packaging and electrical characteristics match the design requirements. Verify compatibility with alternative manufacturers' equivalents such as the MC74LVC244 if sourcing flexibility is needed.