74AC02SCX

Overview

The onsemi 74AC02SCX is a quad 2-input NOR gate housed in a 14-lead Small Outline Integrated Circuit (SOIC) package. It operates within a supply voltage range of 2.0V to 6.0V and supports an ambient operating temperature from -40°C to +85°C. The device features outputs capable of sourcing and sinking 24mA, with propagation delays typically ranging from 4.0ns to 6.5ns at 5.0V. Input leakage current is limited to ±1.0µA, while maximum quiescent supply current is 20.0µA.

Feature Summary

• Contains four independent 2-input NOR logic gates
• Outputs provide high drive capability with 24mA source/sink capacity
• Reduced quiescent supply current compared to standard AC series

Applications

• General digital logic circuit design
• Signal processing applications requiring NOR functionality
• Interface circuits for TTL-compatible systems

Procurement Notes

Verify the specific ordering suffix 'X' indicates tape and reel packaging configuration as defined in the datasheet. Confirm that the component meets JEDEC lead-free standards (J-STD-020B). Ensure the selected variant matches the required SOIC-14 physical dimensions and pinout for your PCB layout constraints.

Selection Notes

Select this component when a quad NOR gate solution is required within the 2.0V to 6.0V operating range. Consider the 74ACT02 variant if TTL-compatible input thresholds are necessary for interfacing with legacy logic families. Evaluate the 24mA output drive against load requirements to ensure signal integrity without external buffering.

Part Context

This part belongs to the Fairchild Semiconductor 74AC02/74ACT02 family of quad 2-input NOR gates. The AC series offers improved speed and lower power consumption over older 74LS equivalents. The SCX designation specifically identifies the narrow SOIC package with tape and reel shipping format.

Replacement Considerations

Cross-reference with MC74AC02DR2G or 74ACTQ02SCX for similar logic functions. Verify pin compatibility and electrical specifications before substitution.