8405601CA

Overview

The Texas Instruments SN54HC74 (8405601CA) is a dual D-type positive-edge-triggered flip-flop featuring clear and preset functions. It supports a wide operating voltage range of 2 V to 6 V and operates within a temperature range of -55°C to +125°C. The device provides buffered inputs, supporting fanout up to 10 LSTTL loads. Key electrical characteristics include a maximum propagation delay of 30 ns at 6 V with 50 pF load and a clock frequency of 60 MHz. It is housed in a CDIP-16 package.

Feature Summary

• Dual D-type positive-edge-triggered flip-flops with dedicated clear and preset controls
• Buffered inputs ensuring compatibility with standard logic families
• Wide operating voltage range supporting diverse power supply requirements

Applications

• Digital data storage and register applications
• Shift register implementations
• Timing and control circuit designs

Procurement Notes

Verify the specific manufacturer source for the part number 8405601CA, as it may correspond to military-grade or specialized variants of the SN54HC74 series. Confirm package integrity and pin configuration against the CDIP-16 specification before integration. Ensure environmental ratings match the required operational temperature extremes for your specific deployment scenario.

Selection Notes

Select this component when high-speed digital storage is required with robust noise immunity due to buffered inputs. The wide voltage range allows flexibility in system design, while the military-grade temperature rating ensures reliability in harsh environments. Consider the propagation delay and clock frequency limits to ensure timing compliance in high-frequency applications.

Part Context

This component belongs to the SN54HC74 family of high-speed CMOS logic devices. It is designed for demanding applications requiring reliable state retention and fast switching speeds. The SN54 series typically denotes military-grade specifications, offering extended temperature ranges and enhanced durability compared to commercial counterparts.

Replacement Considerations

Compatible substitutes include other SN54HC74 variants from Texas Instruments or equivalent dual D-type flip-flops from manufacturers like ON Semiconductor or NXP, provided they match the CDIP-16 package and electrical specifications.