SN74ALS746DW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ALS746DW is an octal buffer and line driver from Texas Instruments, belonging to the ALS logic series. It features eight non-inverting channels with three-state outputs and integrated input pull-up resistors. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports TTL input and output levels. Key electrical parameters include a propagation delay of 12 ns, a low-level output current of 24 mA, and a high-level output current of -15 mA. It functions reliably across an operating temperature range of 0°C to +70°C and is housed in a 20-pin SOIC package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates internal pull-up resistors on all inputs to ensure defined logic states when disconnected
• Provides bidirectional data transfer capability through controlled three-state output buffering
• Delivers high-speed signal transmission via optimized ALS bipolar technology

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address buffering in computer systems
• Clock distribution networks requiring signal isolation
• Bus-oriented transceiver applications for data routing

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature rating. Ensure compatibility with existing system voltage levels and load requirements before integration. Confirm component authenticity through authorized channels to avoid counterfeit risks. Review the latest datasheet for any updates regarding mechanical dimensions or electrical characteristics.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring octal buffering with inherent input stabilization. The integrated pull-ups simplify circuit design by eliminating external resistor requirements. Consider the ALS series performance characteristics for speed and power consumption balance. Verify that the three-state control signals align with the target bus architecture timing constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74ALS family of bipolar logic devices, known for improved speed-power product over standard TTL. The SN74ALS746 specifically addresses the need for buffered drivers with built-in input protection against floating states. It serves as a critical interface component in digital systems managing parallel data paths.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74ALS746DR is the tape-and-reel variant of the same functional device.