74HCT74D,652

Overview

The 74HCT74D,652 is a dual positive-edge-triggered D-type flip-flop manufactured by Nexperia USA Inc. It operates within a supply voltage range of 4.5 V to 5.5 V and features synchronous set and reset inputs. The device is housed in a 14-SO surface-mount package with a width of 3.90 mm. It supports a maximum clock frequency of 82 MHz and includes complementary Q and Q outputs. The component is specified for industrial temperature ranges from -40°C to +125°C.

Feature Summary

• Dual positive-edge-triggered D-type flip-flops with individual data, clock, set, and reset inputs
• Synchronous set and reset functionality allowing precise state control
• Complementary Q and Q outputs for versatile logic interfacing

Applications

• Data storage and register applications
• Frequency division circuits
• Shift register construction

Procurement Notes

Verify the specific ordering suffix against current Nexperia documentation to ensure compatibility with required packaging options such as tape and reel or cut tape. Confirm that the 14-SO package dimensions align with PCB footprint requirements. Check for any recent product change notifications regarding marking or assembly transfers that may affect long-term availability or sourcing channels.

Selection Notes

Select this component when a dual flip-flop configuration with synchronous control is required in a 5V logic environment. Ensure the design accommodates the 4.5V to 5.5V supply range and utilizes the 14-SO package constraints. Consider the 82 MHz maximum clock speed for timing analysis and verify that the input levels are compatible with the driving source signals.

Part Context

This part belongs to the 74HCT series, which provides TTL-compatible input levels while utilizing CMOS technology for low power consumption. The 74HCT74 variant specifically offers two independent flip-flops in a single package, serving as a fundamental building block for sequential logic designs requiring compact integration and reliable performance in standard digital systems.

Replacement Considerations

Public confirmed substitute part numbers include CD74HCT74M from Texas Instruments.