74LCX273FT

Overview

The Toshiba Semiconductor and Storage 74LCX273FT(AJ) is a CMOS logic octal D-type flip-flop operating within a supply voltage range of 1.65 V to 3.6 V. It features a TSSOP-20 package with non-inverting outputs. The device exhibits a propagation delay of 8.5 ns and provides output drive currents of ±24 mA. It supports positive edge triggering for data storage applications.

Feature Summary

• Octal D-type flip-flop architecture with single circuit configuration
• Positive edge-triggered operation for synchronous data capture
• CMOS technology ensuring low power consumption and high noise immunity
• Non-inverting true outputs compatible with various logic families

Applications

• Parallel-to-serial data conversion circuits
• Register files in microprocessor systems
• Data buffering and temporary storage in digital logic designs
• Timing synchronization and clock domain crossing interfaces

Procurement Notes

Verify the specific suffix (e.g., AJ) against the manufacturer's official datasheet to confirm pinout compatibility and electrical characteristics. Ensure the component meets RoHS requirements if applicable to your assembly process. Cross-reference the ordering code with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component when an octal register with fast switching speeds is required within low-voltage systems. The 1.65 V minimum supply voltage allows operation in battery-powered devices. The 24 mA drive capability supports moderate capacitive loads, while the TSSOP-20 package offers space-efficient surface-mount integration for dense PCB layouts.

Part Context

This part belongs to the 74LCX series of low-voltage CMOS logic devices manufactured by Toshiba Semiconductor and Storage. The LCX family is designed for high-speed applications requiring compatibility with both 3.3 V and 5 V systems through 5-V tolerant inputs. The octal flip-flop configuration provides eight independent storage elements controlled by a single clock signal.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other 74LCX273 variants from different manufacturers only after confirming identical pinouts, voltage ranges, and timing specifications.