74AHCT273PW,118

Overview

The Nexperia 74AHCT273PW,118 is a D-type edge-triggered flip-flop belonging to the AHCT logic series. It features eight data inputs and single-ended non-inverting outputs housed in a TSSOP-20 surface-mount package. The device operates within a supply voltage range of 4.5 V to 5.5 V, ensuring compatibility with standard TTL input levels. Key electrical characteristics include a maximum propagation delay of 4 ns and output drive capabilities of 8 mA for both high and low states. It supports an operating temperature range from -40 °C to +125 °C.

Feature Summary

• Accepts TTL-compatible input voltage levels while operating at CMOS supply voltages
• Provides positive-edge triggering for reliable data storage and synchronization
• Features non-inverting outputs with defined current drive capabilities

Applications

• Parallel-to-serial data conversion circuits
• Register files in microprocessor-based systems
• State holding elements in digital control logic

Procurement Notes

Verify that the specific part number matches the required TSSOP-20 package configuration and the AHCT logic family specifications. Confirm that the supply voltage requirements align with the 4.5 V to 5.5 V operational range before integration. Ensure thermal management strategies account for the specified wide operating temperature limits during system design validation.

Selection Notes

Select this component when interfacing 5 V CMOS logic with TTL-level signals is required. The AHCT series provides necessary noise immunity and speed for synchronous applications. Consider the TSSOP-20 footprint constraints and ensure adequate PCB space for the sixteen input and output pins associated with the eight-bit data path.

Part Context

This component is part of the broader 74AHCT logic family, designed for high-speed operation with TTL input compatibility. It serves as a fundamental building block for sequential logic circuits requiring precise timing control. The product line includes various packages and related logic functions to support diverse digital system architectures.

Replacement Considerations

Direct substitutes include other manufacturers' 74AHCT273 variants in TSSOP-20 packages. Verify pinout compatibility and electrical parameter equivalence before substitution.