QS74FCT821TSO

Flip Flops Overview

The QS74FCT821TSO is a 10-bit bus driver from the FCT series, manufactured by Quality Semiconductor. It features true output logic and operates with CMOS technology in a TSO package. The device supports one function with two ports and includes 28 terminals. Key electrical parameters include a maximum operating frequency of 83.3 MHz at nominal supply voltage, a load capacitance of 50 pF, and an output current capability of 64 mA. The component is designed for high-speed digital applications requiring reliable data transmission.

Flip Flops Feature Summary

• Provides 10-bit parallel data buffering with true output polarity
• Operates within standard FCT series specifications for high-speed performance
• Features robust output drive capabilities suitable for system interconnects

Flip Flops Applications

• High-speed data bus interfacing in computing systems
• Memory buffer applications in embedded controllers
• Signal distribution in industrial control panels

Flip Flops Procurement Notes

Verify the specific manufacturer datasheet for the QS74FCT821TSO to confirm pinout compatibility and electrical characteristics against your design requirements. Ensure that the TSO package dimensions match your PCB footprint constraints. Cross-reference the official Quality Semiconductor documentation for any updates on RoHS compliance status or recommended operating conditions prior to finalizing procurement orders.

Flip Flops Selection Notes

Select this component when a 10-bit wide bus interface is required with high-speed switching capabilities up to 83.3 MHz. The FCT series offers a balance of speed and power consumption suitable for 5V logic systems. Consider the 28-pin TSO package size for space-constrained designs. Verify that the 64 mA output current meets the capacitive load requirements of the destination circuits without signal integrity degradation.

Flip Flops Part Context

This part belongs to the 74FCT821 family of bus drivers, widely used in digital electronics for driving multiple loads. Quality Semiconductor produces variants of this standard logic function, ensuring interoperability with other FCT-series components. The TSO package variant provides a surface-mount solution for automated assembly processes, maintaining the functional integrity of the original 74FCT821 specification.

Flip Flops Replacement Considerations

Compatible substitutes include IDT74FCT821DTL and P74FFCT821BL, which share identical logical functions and pin configurations. Verify package type differences between TSO, DTL, and BL variants before substitution. Ensure that voltage levels and output drive strengths remain consistent across alternative manufacturers to maintain system stability.