CD74HCT670M

Overview

The CD74HCT670M is a high-speed CMOS logic register file manufactured by Texas Instruments. It implements a 4-by-4 register architecture within a single circuit configuration. The device operates on a single power supply ranging from 4.5 V to 5.5 V. It features four input lines and four output lines, housed in a 16-pin PDIP package. The component supports an operating temperature range from -55°C to +125°C. Electrical characteristics include a propagation delay of 295 ns, with low-level output current capability of 6 mA and high-level output current of -6 mA.

Feature Summary

• High-speed CMOS technology for efficient digital signal processing
• Integrated 4-by-4 register file structure for data storage
• Wide industrial operating temperature range for harsh environments

Applications

• Digital data buffering systems
• Register file implementations in logic circuits
• Industrial control system interfaces

Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and temperature rating. Ensure the HCT series voltage compatibility matches the target 5V logic environment. Confirm RoHS compliance status through manufacturer documentation before finalizing procurement specifications.

Selection Notes

Select this component when a 4-by-4 register file is required with HCT logic level compatibility. The wide temperature range suits industrial applications. Verify that the 295 ns propagation delay meets system timing requirements. Ensure the PDIP package fits the available PCB footprint constraints.

Part Context

This part belongs to the CD74HCT670 family of high-speed CMOS logic devices. It serves as a specialized register file solution within Texas Instruments' broader logic IC portfolio. The HCT designation indicates compatibility with standard TTL logic levels while utilizing CMOS technology for lower power consumption compared to older bipolar families.

Replacement Considerations

CD74HC670M96 offers similar functionality but operates on a wider voltage range (2V to 6V) and uses SOIC packaging instead of PDIP.