SN74LS674DW

Shift Registers Overview

The SN74LS674DW is a serial-out shift register from the Texas Instruments SN74LS series. It features a 16-bit parallel-to-serial architecture housed in a 24-pin SOIC package. The device operates on a bipolar logic type with three-state outputs and accepts three input lines. Electrical specifications include a propagation delay of 40 ns, a minimum supply voltage of 4.75 V, and a maximum of 5.25 V. It supports surface mount installation and functions within an operating temperature range of 0°C to +70°C.

Shift Registers Feature Summary

• Parallel-to-serial data conversion capability for efficient serial transmission
• Three-state output configuration enabling bus-driven applications
• Bipolar LS logic technology ensuring standard TTL compatibility

Shift Registers Applications

• Serial communication interface circuits
• Data acquisition systems requiring parallel-to-serial conversion
• Digital signal processing hardware

Shift Registers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature rating. Ensure the component meets RoHS compliance requirements for the target assembly process. Confirm availability status as manufacturing lifecycles may vary. Cross-reference pinouts with the official datasheet before PCB layout finalization.

Shift Registers Selection Notes

Select this component when a 16-bit serial-out shift register is required within the LS logic family. Consider the SOIC-24 package constraints for surface mount designs. Evaluate the 40 ns propagation delay against system timing requirements. Verify that the 4.75 V to 5.25 V supply range aligns with the design power rails.

Shift Registers Part Context

This part belongs to the SN74LS674 family of serial-out shift registers manufactured by Texas Instruments. It is distinct from other variants like the SN74LS674N, which utilizes a through-hole PDIP package. The DW suffix specifically denotes the small-outline integrated circuit form factor suitable for automated surface mount assembly processes.

Shift Registers Replacement Considerations

The SN74LS674N is documented as a similar alternative, though it utilizes a different 24-PDIP through-hole package rather than the SOIC format.