74HC02DTR2G

Overview

The onsemi 74HC02DTR2G is a high-performance silicon-gate CMOS quad 2-input NOR gate. It operates within a DC supply voltage range of 2.0 V to 6.0 V and supports an operating temperature from -55°C to +125°C. The device features low input current of 1.0 µA and output drive capability equivalent to 10 LSTTL loads. Propagation delay ranges from 13 ns at 6.0 V to 75 ns at 2.0 V under a 50 pF load. It utilizes a TSSOP-14 surface-mount package.

Feature Summary

• Outputs directly interface with CMOS, NMOS, and TTL logic families
• High noise immunity characteristic of CMOS devices
• ESD protection rated at 2000 V per Human Body Model and 200 V per Machine Model
• Inputs are compatible with standard CMOS outputs and LSTTL outputs when pullup resistors are used

Applications

• General-purpose digital logic circuits requiring NOR functionality
• Systems interfacing between CMOS and TTL logic levels
• Industrial control applications operating across extended temperature ranges

Procurement Notes

Verify the specific ordering suffix 'DT' corresponds to the TSSOP-14 package configuration required for your design. Confirm that the RoHS compliance status aligns with your manufacturing environmental standards. Ensure the maximum ratings, particularly regarding DC supply voltage and power dissipation, are not exceeded during operation to maintain device reliability.

Selection Notes

Select this component when a quad 2-input NOR gate is required in a compact surface-mount form factor. The wide supply voltage range allows flexibility in system power architectures. Consider the propagation delay specifications relative to your signal timing requirements, as performance varies significantly with supply voltage changes.

Part Context

This part belongs to the 74HC series of high-speed CMOS logic devices manufactured by onsemi. It serves as a direct pinout-compatible replacement for LS02 equivalents while offering lower power consumption. The device is designed for general-purpose digital applications requiring robust noise immunity and broad compatibility with various logic families.

Replacement Considerations

• MC74HC02ADR2G

FAQ

How does the propagation delay vary with supply voltage?

Propagation delay decreases as supply voltage increases. At 2.0 V, the delay is up to 75 ns, whereas at 6.0 V, it reduces to approximately 13 ns under a 50 pF load.

What is the ESD protection rating for this device?

The device provides ESD protection rated at 2000 V according to the Human Body Model (HBM) and 200 V according to the Machine Model (MM).