74HCT74PW,118

Overview

The 74HCT74PW,118 is a dual D-type flip-flop with preset and clear functions manufactured by Nexperia. It operates within a supply voltage range of 4.5V to 5.5V and features push-pull outputs capable of sourcing and sinking 4mA. The device is housed in a 14-TSSOP surface-mount package and supports a wide operating temperature range from -40°C to +125°C. Maximum propagation delay is specified at 36ns under standard load conditions.

Feature Summary

• Dual independent D-type flip-flops with dedicated preset and clear inputs for direct state control
• Positive-edge clock triggering mechanism ensures synchronous data capture
• Push-pull output configuration provides robust drive capability for digital logic interfaces

Applications

• Data storage and register applications in digital systems
• Synchronous state machine implementation
• Serial-to-parallel data conversion circuits
• Frequency division and pulse timing circuits

Procurement Notes

Verify the specific suffix 118 corresponds to the TSSOP-14 packaging variant when sourcing. Confirm RoHS compliance status aligns with current project environmental requirements. Cross-reference the manufacturer part number against distributor databases to ensure authenticity and traceability before finalizing procurement orders.

Selection Notes

Select this component for designs requiring 5V logic compatibility with HCT input thresholds. Ensure the 14-pin TSSOP footprint matches the PCB layout constraints. Verify that the 4mA output current meets the fan-out requirements of downstream loads. Consider thermal dissipation capabilities if operating near the upper temperature limit.

Part Context

This part belongs to the 74HCT series of high-speed CMOS logic devices, designed for compatibility with TTL logic levels. It serves as a fundamental building block for sequential logic circuits. The 74HCT74 specifically provides two independent flip-flops, offering a compact solution for basic memory and timing functions in mixed-signal environments.

Replacement Considerations

• SN74HCT74PWR (Texas Instruments)
• MC74HCT74ADTR2G (onsemi)

FAQ

What is the logic family type for this component?

It belongs to the 74HCT series, which is compatible with 5V TTL logic inputs.

Does the device include asynchronous control inputs?

Yes, it features active-low preset and clear inputs that operate independently of the clock signal.