74FCT534APC

Overview

The National Semiconductor 74FCT534APC is an octal D-type flip-flop with 3-state outputs, part of the FCT (Fast CMOS) logic family. It features a single data input and eight parallel outputs, designed for high-speed digital applications requiring low power consumption and TTL-compatible inputs. The device operates within a supply voltage range of 4.75V to 5.25V, ensuring reliable performance in standard 5V logic systems.

Feature Summary

• Octal D-type flip-flop configuration with independent clock control
• Three-state outputs for efficient bus driving and system integration
• TTL-compatible input levels for broad compatibility
• CMOS technology providing low static power consumption

Applications

• High-speed data storage registers in digital systems
• Bus interface circuits requiring tri-state buffering
• Parallel-to-serial conversion modules
• Memory address latching applications

Procurement Notes

Verify the manufacturer origin as National Semiconductor, noting that the company was acquired by Texas Instruments. Confirm the specific package type matches the APC designation (Ceramic Dual In-Line Package). Ensure the component meets the required operating temperature range and voltage specifications for your target application environment before procurement.

Selection Notes

Select this component when an octal register with tri-state output capability is required in a 5V logic environment. It is suitable for designs needing fast switching speeds with low power dissipation. Consider the ceramic package for enhanced thermal stability and reliability in demanding industrial or military applications compared to plastic alternatives.

Part Context

The 74FCT534 belongs to the Fast CMOS (FCT) family, which bridges the speed gap between standard TTL and advanced CMOS technologies. This series offers propagation delays comparable to LS-TTL while maintaining CMOS power efficiency. The 74FCT534 specifically provides octal storage, making it a fundamental building block for complex digital logic designs requiring parallel data handling.