83021012A

Shift Registers Overview

The Texas Instruments 83021012A is an SN54ALS299 device, classified as an 8-bit universal shift/storage register with 3-state outputs. It operates within a temperature range of -55°C to 125°C and utilizes a 20-pin LCCC (FK) package. The component features TTL input and output types, with maximum output drive capabilities of 24 mA for low state and -2.6 mA for high state.

Shift Registers Feature Summary

• Provides bidirectional parallel-in/parallel-out data transfer functionality
• Integrates 3-state outputs for bus-driven applications
• Supports universal shift and storage register operations

Shift Registers Applications

• Bidirectional data transfer systems
• Parallel-to-serial conversion circuits
• Storage registers in digital logic designs

Shift Registers Procurement Notes

Verify the specific suffix 'A' and package code 'FK' against official Texas Instruments documentation to ensure compatibility with MIL-spec or industrial grade requirements. Confirm that the 20-pin LCCC footprint matches the target PCB design. Cross-reference the datasheet revision date to validate electrical characteristics and pinout definitions before integration.

Shift Registers Selection Notes

Select this component when designing systems requiring robust 8-bit data handling with tri-state output control. Ensure the application environment supports the specified -55°C to 125°C operating range. Verify that the TTL interface levels are compatible with the driving and receiving logic families in the circuit architecture.

Shift Registers Part Context

This part belongs to the SN54ALS series of logic devices, known for advanced low-power Schottky technology. The SN54ALS299 variant specifically addresses needs for versatile shift and storage functions in military and industrial environments, offering reliable performance across wide temperature extremes compared to standard commercial logic families.

Shift Registers Replacement Considerations

Direct replacements include other SN54ALS299 variants from Texas Instruments or equivalent parts from manufacturers like National Semiconductor. Ensure substitute components maintain the same 20-pin LCCC package and 3-state output specifications for mechanical and electrical compatibility.