CD74HC4049E

Overview

The CD74HC4049E is a high-speed CMOS logic hex inverting buffer manufactured by Harris Corporation. It operates within a supply voltage range of 2V to 6V and supports an operating temperature range from -55°C to 125°C. The device is housed in a 16-pin DIP package with through-hole mounting. It features six independent inverting buffers, each handling one input bit. The component belongs to the 74HC series and utilizes CMOS technology for its logic circuits.

Feature Summary

• Hex inverting buffer configuration providing six independent signal inversion channels
• High-speed CMOS logic construction ensuring low power consumption and fast switching
• Wide operating voltage capability supporting both 2V and 6V supply rails
• Extended industrial temperature range suitable for harsh environmental conditions

Applications

• Signal level translation between different logic families
• Buffering digital signals in microprocessor systems
• Inverting control lines in embedded hardware designs

Procurement Notes

Verify component authenticity as Harris Corporation assets were acquired by Renesas Electronics. Confirm manufacturing date codes and RoHS compliance status, as older stock may not meet current environmental regulations. Ensure the 16-DIP package matches your PCB footprint requirements before procurement.

Selection Notes

Select this component when hex inverting functionality is required in a through-hole DIP package. Consider the 2V-6V operating range for compatibility with various logic levels. Verify that the extended temperature range meets your application's thermal requirements compared to commercial grade alternatives.

Part Context

This part belongs to the 74HC family of high-speed CMOS logic devices. The manufacturer, Harris Corporation, has undergone corporate restructuring, with semiconductor operations largely transferred to other entities. This specific model represents legacy inventory from the original Harris production line.

Replacement Considerations

CD74HC4049PW (Texas Instruments)

FAQ

Is the CD74HC4049E RoHS compliant?

Public documentation indicates this specific Harris Corporation part is not RoHS compliant.

What is the maximum supply voltage for this IC?

The maximum recommended supply voltage is 6V.