SN54LS673J

Shift Registers Overview

The SN54LS673J is a military-grade, 16-bit serial-in parallel-out shift register manufactured by Texas Instruments. It utilizes Low-power Schottky (LS) TTL technology and operates within a supply voltage range of 4.75 V to 5.25 V. The device features true outputs and supports right-shift direction control. It is housed in a hermetically sealed ceramic dual-in-line package with 24 pins, designed for operation across an extended temperature range from -55 °C to 125 °C.

Shift Registers Feature Summary

• Provides 16-bit data storage with serial input and parallel output capabilities
• Features true outputs for direct logic interfacing without inversion
• Supports right-shift direction control via dedicated pin inputs
• Includes common serial I/O pin configuration for simplified circuit design

Shift Registers Applications

• Military and defense electronic systems requiring radiation-hardened or high-reliability components
• High-temperature industrial control environments exceeding standard commercial limits
• Data acquisition systems utilizing serial-to-parallel conversion
• Avionics and aerospace instrumentation circuits

Shift Registers Procurement Notes

Verify the specific ordering suffix 'J' corresponds to the ceramic dual-in-line package variant. Confirm that the component meets QML (Military) certification requirements if intended for defense applications. Ensure the procurement channel provides traceability documentation consistent with military-grade specifications. Check RoHS exemption status as indicated in the packaging addendum.

Shift Registers Selection Notes

Select this component when a 16-bit shift register with true outputs is required for harsh environments. The LS series offers a balance of speed and power consumption suitable for TTL logic families. Consider the SN54LS674 if inverted outputs are preferred instead of true outputs. Verify that the 24-pin ceramic package fits the available board space and thermal management constraints.

Shift Registers Part Context

This part belongs to the SN54LS67x family of 16-bit shift registers produced by Texas Instruments. The SN54xx designation indicates military qualification, distinguishing it from the commercial SN74xx series. The device shares functional similarities with other LS-series logic but is optimized for reliability under extreme conditions.

Shift Registers Replacement Considerations

SN54LS674J serves as a functional substitute if inverted outputs are acceptable. SN74LS673DW is a commercial alternative but lacks military qualification and extended temperature range. Verify pin compatibility and electrical characteristics before substituting.