SN74LVC244ANSR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC244ANSR is an octal buffer and line driver manufactured by Texas Instruments, belonging to the LVC logic series. It features eight non-inverting channels with three-state outputs housed in a 20-pin SOIC package. The device operates within a supply voltage range of 1.65 V to 3.6 V. Key electrical parameters include a maximum propagation delay of 6.7 ns at 2.7 V and 5.7 ns at 3.3 V. It supports output currents of ±24 mA and maintains a low static current of 1 µA. The component functions across an extended temperature range from -40°C to +125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports real-time insertion and partial power-down modes via IOFF functionality
• Enables mixed-mode signal operations on all ports for versatile interface applications
• Provides input tolerance allowing acceptance of voltages up to 5.5 V despite lower supply operation

Buffers, Drivers, Receivers, Transceivers Applications

• Asynchronous communication between data buses
• Industrial control systems requiring robust signal buffering
• Consumer electronics utilizing low-voltage logic interfaces
• Wireless infrastructure and imaging equipment signal processing

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'ANSR' corresponds to the SOIC-20 package and tape-and-reel delivery format as documented in official Texas Instruments catalogs. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer prior to ordering. Ensure design compatibility with the specified 1.65 V to 3.6 V operating range and thermal requirements for your application environment.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring high-speed octal buffering with low power consumption under variable supply voltages. The LVC series offers superior performance compared to standard HC logic while maintaining pin-out compatibility. Consider the IOFF feature if hot-swapping capabilities are required. Verify that the SOIC-20 package fits the PCB layout constraints and that the 3-state outputs meet the bus driving requirements of the target circuit.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVC244A family of octal buffers and drivers. It shares functional similarities with other Texas Instruments logic families such as SN74HC244 and SN74LVTH244 but differs in supply voltage ranges and drive strengths. The LVC technology is optimized for low-voltage applications, distinguishing it from higher-voltage bipolar or ABT counterparts in the broader 74xx logic ecosystem.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct pin-compatible alternatives within the same family include SN74LVC244ADWR (SOIC-20, Tape & Reel) and SN74LVC244APWR (TSSOP-20). For different package requirements, SN74LVC244ADW (SOIC-20 Tube) is available. Cross-family replacements like SN74HC244ANSR offer wider voltage tolerance but slower speeds.