SN74LS242M

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LS242M is a quad bus transceiver from the LS series, designed for bidirectional data transfer between TTL-compatible logic levels at 5V. It features four independent circuits with inverted outputs and three-state capability. The device supports independent output enable control for each direction, facilitating flexible data flow management in digital systems.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Quad bus transceiver architecture supporting bidirectional data transfer
• Independent output enable control for each directional path
• Three-state outputs compatible with system bus structures

Buffers, Drivers, Receivers, Transceivers Applications

• Bidirectional data flow management between logic levels
• Digital system signal synchronization
• TTL-compatible logic interface circuits

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation carefully, as this component is historically associated with Motorola/NXP but listed under onsemi in some catalogs. Confirm the package type matches your PCB footprint requirements. Ensure the voltage level specifications align with your 5V logic design constraints before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring isolated bidirectional data paths with independent enable controls. It is suitable for applications needing three-state buffering to prevent bus contention. Consider the LS series speed characteristics and power consumption relative to other logic families available from the manufacturer.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the standard LS (Low-power Schottky) logic family, widely used in legacy and industrial digital designs. It serves as a fundamental building block for data routing and isolation in microprocessor-based systems and peripheral interfaces.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct pin-compatible substitutes within the same logic family. Verify electrical parameters such as propagation delay and output drive current against original specifications to ensure functional equivalence in existing circuit designs.