MC74LVX50DT

Overview

The MC74LVX50DT is a hex buffer fabricated with advanced high-speed silicon gate CMOS technology. It operates within a supply voltage range of 2.0 V to 3.6 V and features inputs that tolerate voltages up to 5.5 V, enabling interface between 5.0 V and 3.0 V systems. The device provides balanced propagation delays and low noise characteristics. At VCC = 3.3 V, the typical propagation delay is 4.1 ns with a 15 pF load. Quiescent supply current is typically 2 µA at 25°C.

Feature Summary

• High-speed operation with balanced propagation delays for efficient signal transmission
• Low power dissipation suitable for battery-powered applications
• High noise immunity with defined dynamic input voltage thresholds
• Power-down protection on inputs to prevent excessive current draw

Applications

• Interface circuits connecting 5.0 V systems to 3.0 V logic families
• Memory address decoding and data bus buffering
• Clock distribution networks requiring stable output signals
• General-purpose digital signal buffering in portable electronics

Procurement Notes

Verify the specific ordering suffix against the manufacturer's documentation to confirm package type and shipping quantity. The base model designation may correspond to multiple packaging options such as tape and reel or tube. Confirm RoHS compliance status and lead time requirements directly with authorized distributors prior to procurement.

Selection Notes

Select this component when interfacing different voltage domains is required without level shifting circuitry. The wide input voltage tolerance simplifies system design by allowing direct connection to higher voltage sources. Ensure the operating temperature range meets environmental specifications and verify that the package dimensions fit the target PCB layout constraints.

Part Context

This device belongs to the MC74LVX series of advanced CMOS logic components designed for low-voltage applications. The LVX family offers improved performance over standard CMOS technologies while maintaining compatibility with legacy logic interfaces. It serves as a fundamental building block for digital logic designs requiring buffering and signal integrity.

Replacement Considerations

MC74LVX50DR2G

FAQ

Can unused inputs be left open?

No, unused inputs must not be left open. They must be tied to a high- or low-logic input voltage level to ensure proper functionality.

What is the maximum input voltage tolerance?

The inputs tolerate DC voltages up to 5.5 V, allowing safe interfacing with 5.0 V systems even when the device is powered at lower voltages.