Texas Instruments

CD54HC273F

CD54HC273F Description

The CD54HC273F from Texas Instruments is a high-performance octal D-type flip-flop designed for high-speed CMOS logic applications. Part of the 54HC series, this device operates within a 2V to 6V supply voltage range, making it versatile for both low-power and standard logic-level designs. With a 60 MHz clock frequency and a max propagation delay of 26ns @ 6V, 50pF, it ensures reliable data transfer in time-critical systems. The 8-bit master reset functionality allows synchronous clearing of all flip-flops, enhancing control in complex circuits. Its through-hole mounting and ROHS3 compliance ensure durability and environmental safety.

CD54HC273F Features

• High-Speed Operation: Supports 60 MHz clock frequency with minimal propagation delay (26ns).
• Low Power Consumption: Quiescent current (Iq) of 8 µA reduces energy usage in standby modes.
• Robust Output Drive: Capable of 5.2mA output current (high/low), ensuring strong signal integrity.
• Wide Voltage Range: Operates from 2V to 6V, compatible with TTL and CMOS interfaces.
• Positive Edge-Triggered: Ensures precise timing synchronization.
• Master Reset Function: Enables simultaneous clearing of all flip-flops for system initialization.
• Low Input Capacitance (10 pF): Minimizes loading effects on preceding stages.

CD54HC273F Applications

The CD54HC273F is ideal for applications requiring high-speed data storage and transfer, such as:

• Microprocessor/Microcontroller Systems: For register storage and bus interfacing.
• Data Communication Equipment: Buffering and synchronization in serial/parallel converters.
• Industrial Control Systems: Timing and sequencing in PLCs and automation hardware.
• Test and Measurement Instruments: Temporary data retention in logic analyzers.
• Automotive Electronics: Reliable operation in harsh environments due to robust design.

Conclusion of CD54HC273F

The CD54HC273F stands out for its high-speed performance, low power consumption, and master reset capability, making it a superior choice for octal flip-flop applications. Its wide voltage compatibility and strong output drive ensure seamless integration into diverse digital systems. Whether for embedded systems, communication hardware, or industrial controls, this device delivers precision, reliability, and efficiency, backed by Texas Instruments' quality assurance.