CD74HC670E

Overview

The CD74HC670E is a high-speed CMOS logic component manufactured by Harris Corporation, functioning as a 4-by-4 register file. It operates within a supply voltage range of 2 V to 6 V and supports a wide operating temperature range from -55 °C to +125 °C. The device features buffered inputs and three-state outputs, allowing for effective bus line driving capacity. It is designed with silicon gate CMOS technology to ensure low power consumption while maintaining compatibility with standard logic families.

Feature Summary

• High-speed operation utilizing silicon gate CMOS technology
• Three-state outputs providing bus line driving capability
• Buffered inputs for improved signal integrity
• Wide operating temperature range suitable for industrial environments

Applications

• Data storage in digital systems
• Bus interface circuits
• Register file implementations

Procurement Notes

Verify the manufacturer designation carefully, as the CD74HC670 series is primarily associated with Texas Instruments. Confirm that the specific Harris Corporation variant matches the required pinout and electrical specifications for your design. Ensure compliance with RoHS directives if applicable to your project requirements.

Selection Notes

Select this component when a 4-by-4 register file configuration is required with high-speed performance. Consider the HC series characteristics for low power consumption and broad voltage operation. Verify package availability and thermal management needs given the extended temperature range capabilities.

Part Context

This component belongs to the CD74HC670 family of high-speed CMOS logic devices. Similar parts include the CD74HC670M96 and SN74HC670 variants, which share functional similarities but may differ in packaging or manufacturing origin. The HC series is known for its balanced propagation delay and transition times.