CD74HCT27MT

Inverter Gates Overview

The CD74HCT27MT is a discontinued high-speed CMOS logic integrated circuit manufactured by Texas Instruments. It contains three independent 3-input NOR gates housed in a 14-SOIC surface-mount package. The device operates within a supply voltage range of 4.5V to 5.5V, with a maximum static current of 2 µA. Electrical characteristics include output currents of 4mA for both high and low states. Propagation delay is specified at 23ns when operating at 4.5V with a 50pF load. The component supports an extended industrial temperature range from -55°C to 125°C.

Inverter Gates Feature Summary

• Integrates three independent 3-input NOR logic functions within a single package
• Utilizes high-speed CMOS technology compatible with standard TTL logic levels
• Provides robust output drive capability suitable for interfacing with various digital loads

Inverter Gates Applications

• Digital logic circuits requiring multi-input NOR operations
• Industrial control systems operating within extended temperature ranges
• General-purpose computing hardware utilizing 5V logic families

Inverter Gates Procurement Notes

This specific part number is officially obsolete and no longer in production. Verification of availability requires checking for surplus stock or authorized distributors holding remaining inventory. Designers must confirm the end-of-life status through official Texas Instruments channels before procurement planning. Sourcing should prioritize verified suppliers to ensure component authenticity and storage history integrity.

Inverter Gates Selection Notes

Engineers replacing this component should evaluate parameter-equivalent alternatives such as the CD74HCT27M or CD74HCT27M96. Selection criteria must match the original specifications, including the 14-SOIC package, HCT logic family compatibility, and electrical performance limits. Verify that substitute parts maintain the required voltage range and propagation delays for the target application environment.

Inverter Gates Part Context

The CD74HCT27MT belongs to the Texas Instruments 74HCT series, which bridges CMOS power efficiency with TTL-compatible input thresholds. This series is designed for applications requiring reliable operation in noisy environments while maintaining low power consumption. The SOIC packaging facilitates automated surface-mount assembly processes commonly used in modern electronics manufacturing.

Inverter Gates Replacement Considerations

Public confirmed substitutes include CD74HCT27M and CD74HCT27M96. These equivalents offer parameter parity with the original component.