74AHCT273D,118

Overview

The Nexperia 74AHCT273D,118 is a D-type edge-triggered flip-flop belonging to the 74AHCT logic family. It features eight independent D-type circuits in a single package, providing an 8-bit storage capability with non-inverting outputs. The device operates within a supply voltage range of 4.5 V to 5.5 V and utilizes a 20-pin SOIC (SOT163) surface-mount package. Key electrical parameters include a propagation delay of 4.2 ns at 5 V, output currents of ±8 mA, and a static current of 10 µA. It supports a wide operating temperature range from -40 °C to +125 °C.

Feature Summary

• Provides eight independent D-type flip-flops for high-density data storage applications
• Features TTL-compatible inputs allowing direct interfacing with standard TTL logic devices
• Includes a master reset function to initialize all flip-flop states simultaneously
• Delivers high-speed performance with low power dissipation characteristics

Applications

• Parallel-to-serial data conversion circuits
• Shift register implementations
• General-purpose memory storage elements
• Timing and control logic systems

Procurement Notes

Verify that the component matches the specific 74AHCT series requirements for 5 V operation. Confirm the SOIC-20 package dimensions align with PCB footprint specifications. Ensure the supplier provides valid RoHS compliance documentation. Check that the part number suffix ,118 corresponds to the correct tape and reel packaging format required for automated assembly processes.

Selection Notes

Select this component when designing systems requiring 8-bit parallel data latching with TTL input compatibility. It is suitable for applications needing fast switching speeds within a strict 5 V power supply environment. Consider the thermal performance and package size constraints during layout. This device is appropriate for industrial environments due to its extended temperature rating and robust latch-up protection capabilities.

Part Context

This component is part of the 74AHCT family, which bridges CMOS technology with TTL logic levels. It offers improved speed over standard HC series devices while maintaining low power consumption. The 74AHCT273 variant specifically focuses on multi-bit storage functions. Nexperia manufactures this device to meet JEDEC standards for noise immunity and ESD protection, ensuring reliability in demanding electronic designs.

Replacement Considerations

Direct substitutes include other manufacturers' 74AHCT273 variants in SOIC-20 packages. Verify pinout compatibility and electrical parameter equivalence before substitution. Alternative packages such as TSSOP or QFN may require mechanical adaptation. Ensure replacement parts maintain the same voltage and temperature specifications.