74FCT534ASC

Overview

The 74FCT534ASC is an octal D-type flip-flop manufactured by National Semiconductor, housed in a 20-SOP surface-mount package. It features TRI-STATE outputs for bus-oriented applications and operates within a temperature range of 0°C to 70°C. The device draws a quiescent current of 40 µA and has an input capacitance of 6 pF.

Feature Summary

• Octal D-type flip-flop architecture with separate inputs for each element
• TRI-STATE outputs designed for efficient bus-oriented signal routing
• FACT technology integration including GTOTM output control and undershoot correction

Applications

• Bus-oriented data storage systems
• High-speed digital logic circuits
• Low-power CMOS interface designs

Procurement Notes

Verify the manufacturer designation as National Semiconductor or its successor Texas Instruments. Confirm the specific SOP-20 package dimensions and lead finish specifications match project requirements. Ensure the operating temperature range aligns with environmental constraints.

Selection Notes

Select this component for applications requiring high-speed octal data latching with low power consumption. The inclusion of FACT technology provides enhanced signal integrity through undershoot correction. Verify compatibility with system voltage levels and bus architecture before integration.

Part Context

This part belongs to the FCT series of logic devices, which combine the speed of bipolar technology with the low power of CMOS. It serves as a critical component for managing data flow in complex digital systems where bus efficiency and signal quality are paramount.

Replacement Considerations

Direct substitutes include other octal D flip-flops with TRI-STATE outputs from the same family. Cross-reference pinouts and electrical characteristics to ensure functional equivalence without circuit modification.