M74HC4049RM13TR

Overview

The M74HC4049RM13TR is a high-speed CMOS hex buffer/inverter fabricated with silicon gate C2MOS technology. It features six independent inverting buffers designed for logic-level conversion from high-level voltages up to 13V to low-level supply voltages. The device operates within a wide voltage range of 2V to 6V and supports an operating temperature range of -55°C to 125°C. It provides symmetrical output impedance with a minimum drive capability of 6mA and balanced propagation delays, ensuring stable output performance.

Feature Summary

• Enables logic-level conversion from input voltages up to 13V to lower supply levels
• Features internal two-stage inverters for enhanced noise immunity and stable outputs
• Provides symmetrical output impedance with a minimum drive current of 6mA

Applications

• Logic level translation between different voltage domains
• Buffering signals in high-speed digital circuits
• Inverting functions in general-purpose logic applications

Procurement Notes

Verify the component status as discontinued or obsolete before procurement planning. Confirm that the SO-16 package dimensions match the design footprint. Ensure the operating temperature range meets environmental requirements. Check for available replacement components if long-term supply is required.

Selection Notes

Select this component when interfacing 13V logic sources with standard 2V to 6V CMOS systems. The device is suitable for applications requiring high noise immunity and balanced propagation delays. Consider the wide operating temperature range for harsh environments. Verify pin compatibility with existing 74 series designs.

Part Context

This part belongs to the M74HC4049 series of hex buffer/inverters manufactured by STMicroelectronics. It utilizes silicon gate C2MOS technology for high speed and low power consumption. The device is functionally compatible with the standard 74 series 4049 logic family, facilitating direct replacements in legacy designs.

Replacement Considerations

Public confirmed substitute part numbers include 74HC4049D,653 (Nexperia), CD74HC4049M (Texas Instruments), CD74HC4049M96 (Texas Instruments), CD74HC4049NSR (Texas Instruments), and TC4049BF-ELNF (Toshiba). Verify pinout and electrical specifications against these alternatives.