74HCT14DTR2G

Overview

The MC74HCT14ADTR2G is a Hex Schmitt-Trigger Inverter manufactured by onsemi. It utilizes high-performance silicon-gate CMOS technology and features LSTTL-compatible inputs. The device operates within a supply voltage range of 4.5 V to 5.5 V. It provides an output drive capability equivalent to 10 LSTTL loads and includes low input current characteristics. The component is housed in a TSSOP-14 package.

Feature Summary

• Hex Schmitt-trigger inverter configuration with hysteresis for noise immunity
• LSTTL-compatible input levels allowing direct interfacing with TTL or NMOS outputs
• High-performance silicon-gate CMOS technology ensuring low power consumption
• Pb-free packaging compliant with environmental standards

Applications

• Level conversion between TTL/NMOS outputs and high-speed CMOS inputs
• Signal conditioning to square up slow input rise and fall times
• Operation in noisy environments requiring Schmitt trigger hysteresis

Procurement Notes

Verify the specific ordering suffix 'DTR2G' corresponds to the TSSOP-14 package type, as the datasheet lists 'DR2G' for SOIC-14. Confirm RoHS compliance status via official manufacturer documentation. Ensure the procurement channel sources genuine components from authorized distributors to avoid counterfeit risks associated with logic ICs.

Selection Notes

Select this component when interfacing legacy TTL or NMOS logic families with modern high-speed CMOS circuits. The Schmitt trigger input is essential for applications involving slow signal transitions or high electromagnetic interference. Verify that the required operating temperature range aligns with the specified -55°C to +125°C limits for your specific environment.

Part Context

This part belongs to the 74HCT14 series of hex inverters. It is functionally similar to other HCT family devices but specifically designed for LSTTL compatibility. The 'A' suffix typically denotes assembly location or lot tracking, while 'G' indicates lead-free construction. It serves as a standard interface solution in mixed-logic digital systems.

Replacement Considerations

MC74HCT14ADR2G (SOIC-14 package variant)

FAQ

What is the primary benefit of the Schmitt trigger input in this device?

The Schmitt trigger input provides hysteresis, which allows the device to effectively filter out noise and 'square up' signals with slow rise and fall times.

Can this device interface directly with TTL outputs?

Yes, the HCT14 features LSTTL-compatible input levels, enabling direct interfacing with TTL or NMOS outputs without additional level shifting components.