74HCT03DB,112

Overview

The Nexperia 74HCT03DB,112 is a quad 2-input NAND gate with open-drain outputs. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an ambient temperature range from -40 °C to +125 °C. The device features TTL-level input compatibility and includes clamp diodes on inputs for interfacing with voltages exceeding VCC. It complies with JEDEC standards JESD8C and JESD7A, offering high noise immunity and robust latch-up performance.

Feature Summary

• Quad 2-input NAND logic function with open-drain output configuration
• TTL-compatible input levels for direct interface with Transistor-Transistor Logic systems
• Wide operating temperature specification covering industrial applications
• Input clamp diodes enable safe interfacing with voltages higher than the supply rail

Applications

• Digital logic signal processing in industrial control systems
• Interface circuits requiring open-drain pull-up configurations
• General-purpose logic gating in embedded hardware designs

Procurement Notes

Verify the specific ordering suffix against current Nexperia documentation to confirm package type and tape/reel specifications. Confirm end-of-life status or availability through authorized distributors prior to design finalization. Ensure compliance with RoHS directives and check for any recent product change notices affecting marking or pinout.

Selection Notes

Select this component when TTL-level inputs are required alongside open-drain outputs. Verify that the load capacitance and propagation delay meet system timing requirements at the target supply voltage. Consider the SO14 package dimensions for PCB layout constraints and thermal dissipation needs under maximum operating conditions.

Part Context

This part belongs to the 74HCT03 family of quad 2-input NAND gates manufactured by Nexperia. It utilizes the SO14 plastic small outline package (SOT108-1). The HCT series designation indicates compatibility with standard TTL logic levels while maintaining CMOS power characteristics.

Replacement Considerations

74HC03D,653